Danish årsag

← German Ursache (cognate)

← German ur- (affix)

← German Sache (affix)

← Proto-Germanic *uz- (derived)

← Proto-Germanic *sakō (mention)

← Middle Low German orsake (borrowed)

← Middle Low German or- (affix)

← Middle Low German sake (affix)

← Old Danish orsagh (inherited)

← Old Norse órsekr (inherited)

→ Danish dødsårsag (compound)

→ Danish hovedårsag (affix)

→ Swedish orsak (cognate)