Latin quadraginta unus

← Proto-Indo-European *kʷetwr̥̄ḱomt (cognate)

← Proto-Indo-European *kʷetwr̥-dḱomt (mention)

← Proto-Indo-European *óynos (cognate)

← Old Latin oinos (cognate)

← Proto-Italic *oinos (cognate)

← Latin quadraginta (mention)

← Latin ūnus (mention)