acrylicyoudaoicibaDictYouDict
acrylic: [19] Acrylic was based ultimately on acrolein [19], the name of a very pungent poisonous organic compound. This in turn was formed from Latin acer ‘sharp, pungent’ (source of English acrid) and olere ‘smell’.
acrylic (adj.)youdaoicibaDictYouDict
1855, "of or containing acryl," name of a radical from acrolein (1843), the name of a liquid in onions and garlic that makes eyes tear, from Latin acer "sharp" (see acrid) + olere "to smell" (see odor) + -in (see -ine (2)). With adjectival suffix + -ic. Modern senses often short for acrylic fiber, acrylic resin, etc.