Irish féile

← Proto-Celtic *wēliyā (inherited)

← Welsh gwyledd (cognate)

← Irish fial (affix)

← Irish -e (affix)

← Scottish Gaelic fèill (cognate)

← Proto-Indo-European *weǵ- (root)

← Proto-Indo-European *weǵ- (derived)

← Latin vigilia (derived)

← Latin vigil (mention)

← Old Irish féil (derived)

← Old Irish féile (inherited)

→ Irish ainfhéile (affix)

→ Scottish Gaelic fèill (cognate)

→ Manx feaill (cognate)