词源 |
coolness n.Old English colnesse "a moderate degree of cold, somewhat low temperature;" see cool (adj.) + -ness. Figurative sense of "absence of mental confusion or excitement" is from 1650s; that of "absence of warm affection" is from 1670s; that of "quiet, unabashed impudence" is by 1751. updated on March 21, 2018 |