childish or colloquial shortening of mamma, by 1823. "Also applied colloq. to a middle-aged or elderly woman, esp. one in authority" [OED].
before vowels an-, word-forming element meaning: 1. "upward, up in place or time," 2. "back, backward, against," 3. "again, anew," from Greek ana (prep.) "up, on, upon; up to, toward; throughout; back, backwards; again, anew," from an extended form of PIE root *an- (1) "on, upon, above" (see on, which is the English cognate). In old medical prescriptions, ana by itself meant "an equal quantity of each."
tile-based game originally from China, 1922, from dialectal Chinese (Shanghai) ma chiang, name of the game, literally "sparrows," from ma "hemp" + chiang "little birds." The game so called from the design of the pieces. It had a vogue in Europe and the U.S. 1922-23 and for a time threatened to supplant bridge in popularity.