Этимология
() from Middle English leren (“to teach, instruct”), from Old English lǣran (“to teach, instruct, indoctrinate”), from Proto-Germanic *laizijanan (“to teach”), from *laizō (“lore, teaching", literally, "track, trace”), from Proto-Indo-European *leyəs- (“to track, furrow”). Cognate with Dutch leren, German lehren. See also lear, lore, learn.