Old Portuguese usso

← Proto-Indo-European *h₂ŕ̥tḱos (inherited)

← Latin ursus (inherited)

← Old Spanish osso (cognate)

→ Asturian osu (mention)

→ Spanish oso (cognate)

→ Galician oso (inherited)

→ Old Spanish osso (cognate)

→ Portuguese urso (mention)

→ Portuguese usso (inherited)