Etymology tree Proto-Indo-European *keh₂n-der. Proto-Italic *kanō Latin canō Proto-Indo-European *-tós Proto-Italic *-tos Latin -tus Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Italic *-āō Latin -ō Latin -tō Latin cantōlbor. Esperanto kanti Esperanto -o Esperanto kanto Old English bridd Middle English brid English birdbor.…