Irish lucharachán

← Irish -án (affix)

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

← Latin corpus (derived)

← Middle Irish luchrupán (inherited)

← Old Irish luchorpán (inherited)

← Old Irish lú (mention)

← Old Irish corp (mention)

→ English leprechaun (cognate)

→ English dullahan (mention)