Proto-Germanic *laukaz

→ English leek (mention)

→ Old English leac (inherited)

→ Bulgarian лук (derived)

→ Old Church Slavonic лоукъ (derived)

→ Danish løg (inherited)

→ German Lauch (inherited)

→ Middle English leke (inherited)

→ Estonian lauk (derived)

→ Finnish laukka (derived)

→ Faroese leykur (inherited)

→ Old Swedish løker (inherited)

→ Proto-Norse ᛚᚨᚢᚲᚨᛉ (inherited)

→ Alemannic German Làuich (inherited)

→ Icelandic laukur (inherited)

→ Macedonian лук (derived)

→ Norwegian Bokmål løk (inherited)

→ Dutch look (inherited)

→ Norwegian Nynorsk lauk (inherited)

→ Old Norse laukr (inherited)

→ Russian лук (derived)

→ Serbo-Croatian лук (derived)

→ Serbo-Croatian luk (derived)

→ Swedish lök (inherited)