Irish iasc

← Breton pesk (mention)

← Proto-Celtic *ɸēskos (inherited)

← Welsh pysgodyn (mention)

← English fish (mention)

← Proto-Indo-European *pisḱ- (inherited)

← Latin piscis (cognate)

← Old Irish íasc (inherited)

→ English fish (cognate)

→ Welsh Wysg (cognate)

→ Irish Talamh an Éisc (mention)

→ Irish iascaire (affix)

→ Irish iascach (affix)

→ Manx eeast (cognate)