Swedish när

← Proto-Germanic *nēhwiz (inherited)

← Proto-Germanic *nēhw (mention)

← Proto-Indo-European *h₂neḱ- (root)

← Proto-Indo-European *h₂neḱ- (derived)

← Old Norse nær (inherited)

→ Danish når (mention)

→ Dutch naar (mention)

→ Swedish närtåg (compound)