Old Irish fáilte

← Old English wele (cognate)

← Old English wela (mention)

← Old English willan (mention)

← Proto-Celtic *wāletiyā (inherited)

← Latin volō (cognate)

← Old Irish fáilid (affix)

← Old Irish -e (affix)

→ Irish fáilte (inherited)

→ Manx failt (inherited)

→ Middle Irish fáilte (inherited)