שָׁחַף (v. חָפַף II) to rub, scrape, peel. —Part. pass. שָׁחוּף a) one whose genitals are wasted (v. מָחוּי). Tosef. Bekh. V, 4 (expl. מרוח אשך, for which Bekh. VII, 5 שנמרחו אשכיו, v. מָרַח). Sot. 26ᵇ. Esth. R. to II, 3.—b) (cmp. חֲסִיךְ) reduced, lean, losing flesh. Sifra B’ḥuck., Par. 2, ch. IV (ref. to שחפת, Lev. XXVI, 16) או עתים שהוא ש׳ וכ׳ or at times one becomes reduced in flesh, but feels comfortable &c.; Yalk. Lev. 673 נשחוף (corr. acc.).—Yalk. Gen. 146 שְׁחוּפִים, v. סָכַף.—*c) f. שְׁחוּפָה; pl. שְׁחוּפוֹת of indistinct color, gray (wool), opp. לבנות. Ḥull. XI, 2 (135ᵃ; ib. 136ᵇ (Ms. R. 2 סחופות; Ms. R. 1, a. Ar. טחופות, v. טָחַף).
Nif. - נִשְׁחָף to become reduced. Sifra l. c. (ref. to שחפת, v. supra) יש לך אדם … שהוא נ׳ (not וכי יש) sometimes a person is sick in bed, yet his flesh is preserved: therefore the text says, ‘and consumption’, which means that he is wasting away; Yalk. Lev. l. c.