סַפַּחַת, rising on the skin, sore. Sifra Thazr., Neg., ch. I (ref. to Lev. XIII, 2) ס׳ שני לשאת (not לבהרת) sappaḥath is secondary to (is a species of) s’eth. Ib.; Shebu. 6ᵇ אין ס׳ אלא טפילה the word sappaḥath itself intimates an attachment to something (ref. to I Sam. II, 36). Yeb. 47ᵇ; 109ᵇ, a. e. קשים גרים לישראל כס׳ בעור proselytes are as bad to Israel as a sore on the skin (ref. to ונספחו, Is. XIV, 1).