מְנָא II, (apocop. of מִן אָן = h. מִנַּיִן; v. מְנָן) whence?; whence is it proven? B. Kam. 117ᵃ ומ׳ תימרא דמקנסא וכ׳ but whence will you prove that we draw no analogy from fines? Ib. 44ᵃ bot. ומ׳ ידעינן וכ׳ and how do we know &c.? Snh. 61ᵇ מ׳ אמינא לה whence (on what evidence) do I say so?; a. fr.—מנא הני מילי, מְנָהַנֵּי מילי, v. מִילָּא II.—מְנָאן. Gen. R. s. 11, v. יְדַע.—מנא לן, מְנָלָן whence do we have this?, how do we know? Ber. 7ᵃ. Meg. 2ᵃ מ׳ מ׳ כדבעינן וכ׳ whence do we derive this?—Whence we derive this? (you ask, as if it were a law requiring an intimation in the Biblical text, while it is merely a measure of accommodation,) as we were going to explain further on. Ib. 20ᵃ; a. v. fr.