ADAMNAN: This name, celebrated as that of the biographer of S. Columba, is in Gaelic Adhmhnan (pronounced Yownan or Yonan), for earlier Adhamhnan, early Irish Adamnan, Latinized in the seventh century as Adamnanus. A middle Scottish Gaelic form, Oghomhnan, also occurs (Rel. Celt., II, p. 153,154). Cormac the king-bishop of Cashel in his Glossary explains the name as a diminutive of Adam ('disbecadh anma Adhaimh'), Irish Adam, and this explanation has been generally accepted by scholars. Kuno Meyer, however, has explained it as a pet form in an of the full name Adomnae, found in the place name Raith Adomnae (Bade in Scatl, sect. 51). The name really means 'great terror,' from omon, omun, 'fear,' Welsh or, old Celtic obnos. The Annals of Innisfallan in recording the birth of the saint (in 624 A.D.,) gives the form Adamnan, and the same in recording his death in 704, The Annals of Ulster in recording his birth spells the name Adomnan. A French version of the Chronicle of the Piets and Scots, compiled at the end of the thirteenth century, after giving the length of the reign of 'Druk fitc Hole' adds 'en soun temps fust Saint Edmonane,' in his time was S. Adamnan. The Latin Life of S. Servanus (14th cent.) mentions Edheunanus receiving Servanus on his arrival in Scotland, and on the following page the same life spells the saint's name Eudananus. In still another place in the same life the name is spelled Odaudhdanus (CPS., p. 416-417). It also appears as Fidamnan. The aspiration of the d and m weakened these letters and led to their being finally lost, so that we have such forms as Ownan, Eunan, etc. These secondary forms have led to duplication in the Calendar of Saints. Thus Pope Clement XII sanctioned a mass for 'S. Eunan' for September 7, on which day the Bollandists and Alban Butler have notices of this same fictitious saint. Adamnan also appears in Scotland as Theunan and Deunan.