נַסְיוּבֵי, (= נסיבבי; preced. wds.; cmp. פָּרַשׁ a. פֶּרֶשׁ) [that which is separated,] נ׳ דחלבא, or נ׳whey. Pes. 42ᵃ. B. Mets. 68ᵇ נ׳ ותותרי whey and refuse of wool. Ab. Zar. 35ᵇ איכא נ׳ דלא קיימי there is the whey which does not curdle (and which may contain unclean milk).