leigh- / Indo-European roots
To lick.Oldest form *leig̑h-, becoming *leigh- in centum languages.
1. electuary, lekvar, lichen from Greek leikhein, to lick.
2. Zero-grade form *ligh-.
a. lick from Old English liccian, to lick;
b. lecher from Old French lechier, to live in debauchery. Both a and b from Germanic *likkōn.
3. Nasalized zero-grade form *li-n-gh-. anilingus, cunnilingus from Latin lingere, to lick.
[Pokorny leig̑h- 668.]