Old English leac

← Danish løg (cognate)

← German Lauch (cognate)

← Proto-Germanic *laukaz (inherited)

← Old High German louh (cognate)

← Icelandic laukur (cognate)

← Low German Look (cognate)

← Dutch look (cognate)

← Old Norse laukr (cognate)

← Old Saxon lōk (cognate)

← Swedish lök (cognate)

→ English Leighton (inherited)