Italian buio

← Old English dosen (cognate)

← Proto-Indo-European *dʰus-on (mention)

← Latin *burius (mention)

← Latin furvus (mention)

→ Italian gattabuia (mention)

→ Italian rabbuiare (mention)

→ Latin abuio (derived)

→ Latin abujo (derived)

→ Romagnol bur (cognate)