toxin (n.) “organic poison,” especially one produced by bacteria in an animal body, 1886, from toxic + -in (2). toxic (adj.) 1660s, from French toxique and directly from Late Latin toxicus “poisoned,” from Latin toxicum “poison,” from Greek toxikon (pharmakon) “(poison) for use on…
also sugarcoat, 1870, originally of medicine; figuratively, “make more palatable,” from 1910; from sugar (n.) + coat (v.). Related: Sugarcoated; sugarcoating. sugar (n.) late 13c., sugre, from Old French sucre “sugar” (12c.), from Medieval Latin succarum, from Arabic sukkar, from Persian shakar, from Sanskrit sharkara “ground…
poison (n.) c. 1200, poisoun, “a deadly potion or substance,” also figuratively, “spiritually corrupting ideas; evil intentions,” from Old French poison, puison (12c., Modern French poison) “a drink,” especially a medical drink, later “a (magic) potion,…
virus (n.) late 14c., “poisonous substance” (a sense now archaic), from Latin virus “poison, sap of plants, slimy liquid, a potent juice,” from Proto-Italic *weis-o-(s-) “poison,” which is probably from a PIE root *ueis-, perhaps originally meaning…
Kermes is a red dye derived from the dried bodies of the females of a scale insect in the genus Kermes, primarily Kermes vermilioThe Kermes insects are native in the Mediterranean region and are parasites living…
cochineal (n.) “brilliant crimson dyestuff consisting of the dried bodies of a species of insect,” 1580s, from French cochenille (16c.), probably from Spanish cochinilla, from a diminutive of Latin coccinus (adj.) “scarlet-colored,” from coccum “berry (actually an insect)…
pharmacy (n.) late 14c., farmacie, “a medicine that rids the body of an excess of humors (except blood);” also “treatment with medicine; theory of treatment with medicine,” from Old French farmacie “a purgative” (13c.)…
arsenic (n.) late 14c., “yellow arsenic, arsenic trisulphide,” from Old French arsenic, from Latin arsenicum, from late Greek arsenikon “arsenic” (Dioscorides; Aristotle has it as sandarake), adapted from Syriac (al) zarniqa “arsenic,” from Middle Persian zarnik “gold-colored” (arsenic trisulphide has…
leech (n.1) “bloodsucking aquatic worm,” from Old English lĂŠce (Kentish lyce), of unknown origin (with a cognate in Middle Dutch lake). Commonly regarded as a transferred use of leech (n.2), but according to OED the Old English…
