Norwegian Bokmål a due

← Proto-Indo-European *h₂epó (derived)

← Proto-Indo-European *dwóh₁ (derived)

← Italian a due (borrowed)

← Italian a (derived)

← Italian due (borrowed)

← Proto-Italic *ad (derived)

← Proto-Italic *ab (derived)

← Proto-Italic *duō (derived)

← Latin ad (derived)

← Latin a (derived)

← Latin ab (mention)

← Latin duae (derived)

← Latin duo (mention)

→ Norwegian Bokmål a (link)