*זוּם, (cmp. זהם) [to glisten,] to be fat, greasy, filthy.—Part. Polel זוֹמֵם. Sabb. 152ᵇ (where the souls of the righteous are compared to clean, and those of the wicked to filthy garments) ושל רשעים זוֹמְמוֹת והולכותּ while the souls of the wicked are getting more and more greasy.