From luwa'; the gullet -- throat.
see HEBREW luwa'
H3930. loa
[לֹעַ] noun [masculine] probably throat> (external) (compare Late Hebrew לוֺעַ jaw, cheek, Aramaic לוֺעָא, id.); — בְּלֹעֶ֑ךָ שַׂכִּין וְשַׂמְתָּ֫ Proverbs 23:2 and thou shalt put a knife to thy throat (figurative for restraining oneself from indulgence in food).