köken: From Middle High German leime, from Old High German leimo, from Proto-West Germanic *laimō, from Proto-Germanic *laimô, variant of *laimaz. The modern vocalism is Central and Low German; compare Middle Low German lêm, from Old Saxon lēmo. The regular form was replaced due to its becoming homophonous with the related Leim (“glue”).
köken: From Middle Dutch cleie, from Old Dutch *klei, from Proto-West Germanic *klaij, from Proto-Germanic *klajjaz, ultimately from Proto-Indo-European *gley- (“to glue, stick together”). Compare German Klei, English clay.
Inherited from Middle French glaise, glase, from Old French glaise, gloise, of obscure and uncertain origin. According to one theory, derived from Gaulish *glisa, which is attested in Late Latin glissomarga, glīsomarga (“a kind of marl, white marl”), although the precise meaning of *gliso- is uncertain. Alternatively, perhaps derived from a Germanic language, compare Dutch klei, German Low German…