Norwegian Bokmål a dato

← Proto-Indo-European *deh₃- (root)

← Proto-Indo-European *h₂epó (derived)

← Proto-Indo-European *dédeh₃ti (inherited)

← Proto-Indo-European *deh₃- (mention)

← Italian a dato (borrowed)

← Italian a (derived)

← Proto-Italic *ad (derived)

← Proto-Italic *ab (derived)

← Proto-Italic *didō (derived)

← Latin ad (derived)

← Latin a (derived)

← Latin ab (mention)

← Latin datus (derived)

← Latin dō (mention)

→ Norwegian Bokmål a (link)