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aftermath: aftermath: [16] Originally, and literally, an aftermath was a second crop of grass or similar grazing vegetation, grown after an earlier crop in the same season had been harvested. Already by the mid 17th century it had taken on the figurative connotations of ‘resulting condition’ which are today its only living sense. The -math element comes from Old English mǣth ‘mowing’, a noun descended from the Germanic base *mǣ, source of English mow.
=> mow
termagent: termagent: [13] Termagent was originally the name of a blustering arrogant Muslim deity in medieval mystery plays; it was not used for a ‘quarrelsome woman’ until the 16th century. It was an alteration of an earlier Tervagant, which came via Old French Tervagant from Italian Trivigante. It is not known for certain where this came from. It has been interpreted as literally ‘three-wandering’, in allusion to the moon travelling in different guises to heaven, earth, and hell, as if it were formed from Latin tri- ‘three’ and vagārī ‘wander’ (source of English vagabond, vagrant, etc); but it may simply have been borrowed from some unknown oriental language.
aftermarket (adj.): 1940, American English, of automobile parts, from after + market.
aftermath (n.): 1520s, originally a second crop of grass grown after the first had been harvested, from after + -math, a dialectal word, from Old English mæð "a mowing, cutting of grass" (see math (n.2)). Figurative sense by 1650s. Compare French regain "aftermath," from re- + Old French gain, gaain "grass which grows in meadows that have been mown," from Frankish or some other Germanic source similar to Old High German weida "grass, pasture"
countermand (v.): early 15c., from Old French contremander "reverse an order or command" (13c.), from contre- "against" (see contra-) + mander, from Latin mandare "to order" (see mandate (n.)). Related: Countermanded; countermanding.
intermarriage (n.): 1570s, from inter- + marriage.
intermarry (v.): 1570s, "to marry one another," from inter- + marry. Meaning "to marry across families, castes, tribes, etc." is from 1610s. Related: Intermarried; intermarrying.
quartermaster (n.): early 15c., "subordinate officer of a ship," from French quartier-maître or directly from Dutch kwartier-meester; originally a ship's officer whose duties included stowing of the hold; later (c. 1600) an officer in charge of quarters and rations for troops. See quarters.
termagant (n.): c. 1500, "violent, overbearing person" (especially of women), from Teruagant, Teruagaunt (c. 1200), name of a fictitious Muslim deity appearing in medieval morality plays, from Old French Tervagant, a proper name in Chanson de Roland (c. 1100), of uncertain origin. As an adjective from 1590s.
watermark (n.): also water-mark, 1708, "distinctive mark on paper," from water (n.1) + mark (n.1). Similar formation in German wassermarke. Not produced by water, but probably so called because it looks like a wet spot. The verb is recorded from 1866. Related: Watermarked.
peterman: "A thief or safe-breaker", Early 19th century: from slang peter 'a trunk or safe' + man.