Fearn (letter)

Fearn (ᚃ) is the Irish name of the third letter (Irish "letter": sing.fid, pl.feda) of the Ogham alphabet, meaning "alder-tree". In Old Irish, the letter name was fern [fʲern̪], which is related to Welsh gwern(en), meaning "alder-tree(s)". Its Primitive Irish root was *wernā and its phonetic value then was [w]. Its Old Irish and modern phonetic value is [f].