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An abjad (pronounced // or //) is a type of writing system where each symbol or glyph stands for a consonant, leaving the reader to supply the appropriate vowel. So-called impure abjads do represent vowels, either with optional diacritics, a limited number of distinct vowel glyphs, or both. The name abjad is based on the old Arabic alphabet's first four letters—a, b, j, d—to replace the common terms "consonantary" or "consonantal alphabet" to refer to the family of scripts called West Semitic.
The name "abjad" (abjad أبجد) is derived from pronouncing the first letters of the Old alphabet order in Arabic. The ordering (abjadī) of Arabic letters used to match that of the older Hebrew, Phoenician and Semitic alphabets: ʾ (aleph) - b - g - d.
According to the formulations of Peter T. Daniels, abjads differ from alphabets in that only consonants, not vowels, are represented among the basic graphemes. Abjads differ from abugidas, another category defined by Daniels, in that in abjads, the vowel sound is implied by phonology, and where vowel marks exist for the system, such as nikkud for Hebrew and ḥarakāt for Arabic, their use is optional and not the dominant (or literate) form. Abugidas mark all vowels (other than the "inherent" vowel) with a diacritic, a minor attachment to the letter, or a standalone glyph. Some abugidas use a special symbol to suppress the inherent vowel so that the consonant alone can be properly represented. In a syllabary, a grapheme denotes a complete syllable, that is, either a lone vowel sound or a combination of a vowel sound with one or more consonant sounds.
The antagonism of abjad versus alphabet, as it was formulated by Daniels, has been rejected by some other scholars because abjad is also used as a term not only for the Arabic numeral system but, which is most important in terms of historical grammatology, also as term for the alphabetic device (i.e. letter order) of ancient Northwest Semitic scripts in opposition to the 'south Arabian' order. This caused fatal effects on terminology in general and especially in (ancient) Semitic philology. Also, it suggests that consonantal alphabets, in opposition to, for instance, the Greek alphabet, were not yet true alphabets and not yet entirely complete, lacking something important to be a fully working script system. It has also been objected that, as a set of letters, an alphabet is not the mirror of what should be there in a language from a phonological point of view; rather, it is the data stock of what provides maximum efficiency with least effort from a semantic point of view.
The first abjad to gain widespread usage was the Phoenician abjad. Unlike other contemporary scripts, such as cuneiform and Egyptian hieroglyphs, the Phoenician script consisted of only a few dozen symbols. This made the script easy to learn, and seafaring Phoenician merchants took the script throughout the then-known world.
The Phoenician abjad was a radical simplification of phonetic writing, since hieroglyphics required the writer to pick a hieroglyph starting with the same sound that the writer wanted to write in order to write phonetically, much as man'yōgana (Chinese characters used solely for phonetic use) was used to represent Japanese phonetically before the invention of kana.
Phoenician gave rise to a number of new writing systems, including the Greek alphabet and Aramaic, a widely used abjad. The Greek alphabet evolved into the modern western alphabets, such as Latin and Cyrillic, while Aramaic became the ancestor of many modern abjads and abugidas of Asia.
Impure abjads have characters for some vowels, optional vowel diacritics, or both. The term pure abjad refers to scripts entirely lacking in vowel indicators. However, most modern abjads, such as Arabic, Hebrew, Aramaic, and Pahlavi, are "impure" abjads – that is, they also contain symbols for some of the vowel phonemes, although the said non-diacritic vowel letters are also used to write certain consonants, particularly approximants that sound similar to long vowels. A "pure" abjad is exemplified (perhaps) by very early forms of ancient Phoenician, though at some point (at least by the 9th century BC) it and most of the contemporary Semitic abjads had begun to overload a few of the consonant symbols with a secondary function as vowel markers, called matres lectionis. This practice was at first rare and limited in scope but became increasingly common and more developed in later times.
Addition of vowels
In the 9th century BC the Greeks adapted the Phoenician script for use in their own language. The phonetic structure of the Greek language created too many ambiguities when vowels went unrepresented, so the script was modified. They did not need letters for the guttural sounds represented by aleph, he, heth or ayin, so these symbols were assigned vocalic values. The letters waw and yod were also adapted into vowel signs; along with he, these were already used as matres lectionis in Phoenician. The major innovation of Greek was to dedicate these symbols exclusively and unambiguously to vowel sounds that could be combined arbitrarily with consonants (as opposed to syllabaries such as Linear B which usually have vowel symbols but cannot combine them with consonants to form arbitrary syllables).
Abugidas developed along a slightly different route. The basic consonantal symbol was considered to have an inherent "a" vowel sound. Hooks or short lines attached to various parts of the basic letter modify the vowel. In this way, the South Arabian alphabet evolved into the Ge'ez alphabet between the 5th century BC and the 5th century AD. Similarly, around the 3rd century BC, the Brāhmī script developed (from the Aramaic abjad, it has been hypothesized).
The other major family of abugidas, Canadian Aboriginal syllabics, was initially developed in the 1840s by missionary and linguist James Evans for the Cree and Ojibwe languages. Evans used features of Devanagari script and Pitman shorthand to create his initial abugida. Later in the 19th century, other missionaries adapted Evans' system to other Canadian aboriginal languages. Canadian syllabics differ from other abugidas in that the vowel is indicated by rotation of the consonantal symbol, with each vowel having a consistent orientation.
Abjads and the structure of Semitic languages
The abjad form of writing is well-adapted to the morphological structure of the Semitic languages it was developed to write. This is because words in Semitic languages are formed from a root consisting of (usually) three consonants, the vowels being used to indicate inflectional or derived forms. For instance, according to Classical Arabic and Modern Standard Arabic, from the Arabic root ذ ب ح Dh-B-Ḥ (to slaughter) can be derived the forms ذَبَحَ dhabaḥa (he slaughtered), ذَبَحْتَ dhabaḥta (you (masculine singular) slaughtered), يُذَبِّحُ yudhabbiḥu (he slaughters), and مَذْبَح madhbaḥ (slaughterhouse). In most cases, the absence of full glyphs for vowels makes the common root clearer, allowing readers to guess the meaning of unfamiliar words from familiar roots (especially in conjunction with context clues) and improving word recognition[dubious ] while reading for practiced readers.
Comparative chart of Abjads, extinct and extant
|Name||In use||Cursive||Direction||# of letters||Matres lectionis||Area of origin||Used by||Languages||Time period (age)||Influenced by||Writing systems influenced|
|Syriac||yes||yes||right-left||22 consonants||3||Middle East||Church of the East, Syrian Church||Aramaic, Syriac, Assyrian Neo-Aramaic||~ 100 BCE||Aramaic||Nabatean, Palmyran, Mandaic, Parthian, Pahlavi, Sogdian, Avestan and Manichean|
|Hebrew||yes||as a secondary script||right-left||22 consonants + 5 final letters||4||Middle East||Israelis, Jewish diaspora communities, Second Temple Judea||Hebrew, Judeo-Arabic, Judeo-Aramaic||2nd century BCE||Paleo-Hebrew, Early Aramaic|
|Arabic||yes||yes||right-left||28||3||Middle East and North Africa||Over 400 million people||Arabic, Bosnian, Kashmiri, Malay, Persian, Pashto, Uyghur, Kurdish, Urdu, many others||512 CE||Nabataean Aramaic|
|Aramaic (Imperial)||no||no||right-left||22||3||Middle East||Archaemenid, Persian, Babylonian, and Assyrian empires||Imperial Aramaic, Hebrew||~ 500 BCE||Phoenician||Late Hebrew, Nabataean, Syriac|
|Aramaic (Early)||no||no||right-left||22||none||Middle East||Various Semitic Peoples||~ 1000-900 BCE||Phoenician||Hebrew, Imperial Aramaic.|
|Libyc (Ancient Berber)||yes||no||top-bottom, right-left||22 (right-left) 25 (up-down)||word-final dot indicates an unspecified vowel||North Africa||Women in Tuareg Society||Tifinagh||600 BCE||Maybe Punic||Tifinagh|
|Nabataean||no||no||right-left||22||none||Middle East||Nabataean Kingdom||Nabataean||200 BCE||Aramaic||Arabic|
|Middle Persian, (Pahlavi)||no||no||right-left||22||3||Middle East||Sassanian Empire||Pahlavi, Middle Persian||Aramaic||Psalter, Avestan|
|Psalter Pahlavi||no||yes||right-left||21||yes||Northwestern China ||Persian Script for Paper Writing||~ 400 CE||Syriac|
|Phoenician||no||no||right-left, boustrophedon||22||none||Byblos||Canaanites||Phoenician, Punic, Hebrew||~ 1000-1500 BCE||Proto-Canaanite Alphabet||Punic (variant), Greek, Etruscan, Latin, Arabic and Hebrew|
|Parthian||no||no||right-left||22||yes||Parthia (modern-day equivalent of Northeastern Iran, Southern Turkmenistan and Northwest Afghanistan)||Parthian & Sassanian periods of Persian Empire||Parthian||~ 200 BCE||Aramaic|
|Sabaean||no||no||right-left, boustrophedon||29||none||Southern Arabia (Sheba)||Southern Arabians||Sabaean||~ 500 BCE||Byblos||Ethiopic (Eritrea & Ethiopia)|
|Punic||no||no||right-left||22||none||Carthage (Tunisia), North Africa, Mediterranean||Punic Culture||Punic, Neo-Punic||Phoenician|
|Proto-Sinaitic, Proto-Canaanite||no||no||left-right||24||none||Egypt, Sinai, Canaan||Canaanites||Canaanite||~ 1900-1700 BCE||In conjunction with Egyptian Hieroglyphs||Phoenician, Hebrew|
|Ugaritic||no||yes||left-right||30||none, 3 characters for gs+vowel||Ugarit (modern-day Northern Syria)||Ugarites||Ugaritic, Hurrian||~ 1400 BCE||Proto-Sinaitic|
|South Arabian||no||yes (Zabūr - cursive form of the South Arabian script)||Boustrophedon||29||yes||South-Arabia (Yemen)||D'mt Kingdom||Amharic, Tigrinya, Tigre, Semitic, Chushitic, Nilo-Saharan||900 BCE||Proto-Sinaitic||Ge'ez (Ethiopia and Eritrea)|
|Sogdian||no||no (yes in later versions)||right-left, left-right (vertical)||20||3||parts of China (Xinjiang), Uzbekistan, Tajikistan, Pakistan||Buddhists, Manichaens||Sogdian||~ 400 CE||Syriac||Old Uyghur alphabet, Yaqnabi (Tajikistan dialect) |
|Samaritan||yes (700 people)||no||right-left||22||none||Mesopotamia or Levant (Disputed)||Samaritans (Nablus and Holon)||Samaritan Aramaic, Samaritan Hebrew||~ 100-0 BCE||Paleo-Hebrew Alphabet|
- Abjad numerals
- Gematria (Hebrew system of mystical numerology)
- Shorthand (constructed writing systems that are structurally abjads)
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