Latin umbilicus

← Proto-Indo-European *h₃nebʰ- (root)

← Proto-Indo-European *h₃nóbʰōl (inherited)

→ English navel (cognate)

→ English umbilical (derived)

→ Spanish umbilical (derived)

→ French ombilic (borrowed)

→ Middle French nombril (inherited)

→ Old French nonbril (inherited)

→ Galician umbilical (derived)

→ Norman nombrîn (inherited)

→ Norman naombrin (inherited)

→ Norman nõmbri (inherited)

→ Occitan embonilh (inherited)