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This article is about the letter. For the village in Bahrain, see Al Dair.
  Aicme Beithe   Aicme Muine
Beith Muin
Luis Gort
Fearn nGéadal
Sail Straif
Nion Ruis
  Aicme hÚatha   Aicme Ailme
Uath Ailm
Dair Onn
Tinne Úr
Coll Eadhadh
Ceirt Iodhadh
Ifín Peith

Dair is the Irish name of the seventh letter of the Ogham alphabet, , meaning "oak", which is related to Welsh derw(en). Its Proto-Indo-European root was *deru- 'oak'. Its phonetic value is [d].[1]

Dair forms the basis of some first names in Irish Gaelic such as Daire, Dara, Darragh and Daragh.


  1. ^ McManus, Damian (1991). A Guide to Ogam. Maynooth Monographs 4. Co. Kildare, Ireland: An Sagart. p. 37. ISBN 1-870684-75-3. ISSN 0790-8806. "This letter name clearly corresponds to Old Irish dair/daur, gen. daro 'oak-tree', Welsh derw(en) 'oak-tree(s)' from the root *deru-, whence the value /d/."