Norwegian Bokmål to

← Proto-Germanic *twai (derived)

← Proto-Indo-European *dwóh₁ (derived)

← Old Norse tvá (derived)

← Old Norse tveir (mention)

→ Norwegian Bokmål tospråklig (compound)

→ Norwegian Bokmål toåring (suffix)

→ Norwegian Bokmål tomannsbolig (affix)

→ Norwegian Bokmål todelt (affix)

→ Norwegian Bokmål tofarget (affix)

→ Norwegian Bokmål todimensjonal (affix)