Norwegian Bokmål a tempo

← Proto-Indo-European *ten- (root)

← Proto-Indo-European *h₂éd (derived)

← Proto-Indo-European *tempos (derived)

← Proto-Indo-European *ten- (mention)

← Proto-Indo-European *temh₂- (derived)

← Italian a tempo (derived)

← Italian a (derived)

← Italian tempo (derived)

← Proto-Italic *ad (derived)

← Latin ad (derived)

← Latin tempus (derived)

→ Norwegian Bokmål a (link)