*leigh-

Proto-Indo-European root meaning "to lick." It forms all or part of: cunnilingus; lecher; lichen; lick.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit ledhi "he licks," Armenian lizum "I lick," Greek leikhein "to lick," Latin lingere "to lick," Old Irish ligim "I lick," Welsh llwy "spoon," Old English liccian "to lick."