Jastrow: מַמָּשׁ

מַמָּשׁ m. (מָשַׁשׁ) [something tangible,] substance; substantial, real. Ex. R. s. 14, beg. (ref. to וימש, Ex. X, 21) שהיה בו מ׳ there was substance in the darkness (it was thick). Ab. Zar. 67ᵃ כל שטעמו ומַמָּשׁוֹ אסור anything the taste of which (in a mixture) as well as its substance is forbidden. Ib.ᵇ טעמו ולא ממשו אסור a mixture in which there is the taste of a forbidden thing whose substance, however, is not visible, is forbidden. Ḥull. 108ᵃ טעמו ולא ממשו בעלמא דאורייתא that a forbidden substance should ritually affect a mixture in which is left a taste after its removal, is in all cases a Biblical rule. Snh. 63ᵇ יודעין … שאין בו מ׳ וכ׳ the Israelites knew very well that there is no reality in idols, yet they worshipped them for the sake of being permitted public licentiousness. B. Kam. 83ᵇ עין מ׳, v. מָמוֹן. Ib. מיתה מ׳ actual putting to death. Snh. 64ᵃ, v. דָּבַק; a. v. fr.—Y. Ber. III, 6ᵈ bot. מַשְׁמָשָׁהּ קיים its substance remains (on the skin, even if dried up).