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In Scottish folklore, sunwise, ‘’’deosil’’’ or sunward (clockwise) was considered the “prosperous course”, turning from east to west in the direction of the sun. The opposite course, counterclockwise, was known as widdershins (Lowland Scots), or tuathal (Scottish Gaelic). In the Northern Hemisphere, "sunwise" and "clockwise" run in the same direction, because sundials were used to tell time, and their features were transferred to clock faces. Another influence may have been the right-handed bias in many cultures.
This is descriptive of the ceremony observed by the druids, of walking round their temples by the south, in the course of their directions, always keeping their temples on their right. This course (diasil or deiseal) was deemed propitious, while the contrary course is perceived as fatal, or at least unpropitious. From this ancient superstition are derived several Gaelic customs which were still observed around the turn of the twentieth century, such as drinking over the left thumb, as Toland expresses it, or according to the course of the sun.
Martin Martin says:
Some of the poorer sort of people in the Western Isles retain the custom of performing these circles sunwise about the persons of their benefactors three times, when they bless them, and wish good success to all their enterprises. Some are very careful when they set out to sea, that the boat be first rowed sunwise, and if this be neglected, they are afraid their voyage may prove unfortunate. I had this ceremony paid me when in Islay by a poor woman, after I had given her an alms. I desired her to let alone that compliment, for that I did not care for it; but she insisted to make these three ordinary turns, and then prayed that God and MacCharmaig, the patron saint of the island, might bless and prosper me in all my affairs. When a Gael goes to drink out of a consecrated fountain, he approaches it by going round the place from east to west, and at funerals, the procession observes the same direction in drawing near the grave. Hence also is derived the old custom of describing sunwise a circle, with a burning brand, about houses, cattle, corn and corn-fields, to prevent their being burnt or in any way injured by evil spirits, or by witchcraft. The fiery circle was also made around women, as soon as possible after parturition, and also around newly-born babes. These circles were, in later times, described by midwives, and were described effectual against the intrusion of ‘daoine-sìth’ or ‘sìthichean’, who were particularly on the alert in times of childhood, and not infrequently carried infants away, according to vulgar legends, and restored them afterwards, but sadly altered in features and personal appearance. Infants stolen by fairies are said to have voracious appetites, constantly craving for food. In this case it was usual for those who believed their children had been taken away, to dig a grave in the fields on quarter-day and there to lay the fairy skeleton till next morning, at which time the parents went to the place, where they doubted not to find their own child in place of the skeleton.
"Deosil" and other spellings
Wicca uses the spelling deosil, which violates the Gaelic orthography principle that a consonant must be surrounded by either broad vowels (a, o, u) or slender vowels (e, i). The Oxford English Dictionary gives precedence to the spelling "deasil", but also acknowledges "deiseal", "deisal", and "deisul".
This distinction exists in traditional Tibetan religion. Tibetan Buddhists go round their shrines sunwise, but followers of Bonpo go widdershins. The former consider Bonpo to be merely a perversion of their practice, but as Bonpo adherents claim that their religion as the indigenous one of Tibet was doing this prior to the arrival of Buddhism in the country.
The Hindu pradakshina, the auspicious circumambulation of a temple, is also made clockwise.
A similar preference may inform the left-hand drive found in England, India, and Japan. Any temple or shrine in the middle of a road must be passed to its left.
- This article incorporates text from "Dwelly's [Scottish] Gaelic Dictionary" (1911). (Deiseal)