←
Proto-Celtic *wolis (inherited)
←
Proto-Indo-European *welh₃- (root)
←
Proto-Indo-European *welh₃- (derived)
←
Proto-Indo-European *wel- (root)
←
Proto-Indo-European *wel- (derived)
←
Middle Irish fuil (inherited)
←
Old Irish fuil (inherited)
←
Old Irish fil (inherited)
→
Ancient Greek οὐλή (cognate)