Nunation
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In some Semitic languages, such as Arabic, nunation (Template:Lang-ar tanwīn) is the addition of a final nūn sound to a noun or adjective to indicate that it is fully declinable and syntactically unmarked for definiteness.
| Symbol | Template:Rtl-lang |
Template:Rtl-lang |
Template:Rtl-lang |
|---|---|---|---|
| Transliteration | -un |
-in |
-an |
There are three of these vowel diacritics, and the signs indicate, from left to right, the endings -un (nominative case), -in (genitive), and -an (accusative). The sign Template:Rtl-lang is most commonly written in combination with Template:Rtl-lang alif (Template:Rtl-lang), Template:Rtl-lang (tāʾ marbūṭa تاء مربوطة) or stand-alone Template:Rtl-lang (hamza همزة). An alif should always be written unless the word ends in tāʾ marbūṭa or hamza or is a diptote, even though the -un, -an or -in is not written.
Since Arabic has no indefinite article, nouns in a syntactic context unmarked for definiteness are generally indefinite; this has led to the extremely common but inaccurate belief that nunation is a marker for indefiniteness and is analogous to an indefinite article. The lack of a marker for definiteness does not necessarily make a word indefinite; in fact, many definite nouns (proper names) take nunation, as for example in the expression أشهد أن محمدًا رسول الله (ašhadu anna muḥammadan rasūlu allāh: "I witness that Muhammad is the messenger of God."), in which the name Muḥammad, a definite noun, is nunated.
Nunation may also refer to the -n ending of duals in Akkadian (until it was dropped in the Old Babylonian period).[1]