Norwegian Nynorsk tunnel

← English tunnel (borrowed)

← Middle French tonnelle (derived)

← Middle French tonel (mention)

← Old French tonne (derived)

→ Norwegian Nynorsk tunnelbane (compound)

→ Norwegian Nynorsk tunnelsyn (affix)

→ Norwegian Nynorsk gangtunnel (affix)

→ Norwegian Nynorsk jernbanetunnel (affix)