| 词源 |
aqua n."water," late 14c., from Latin aqua "water; the sea; rain," from PIE root *akwa- "water." The Latin word was used in late Middle English in combinations in old chemistry and alchemy in the sense of "decoction, solution" (as in aqua regia, a mix of concentrated acids, literally "royal water," so called for its power to dissolve gold and other "noble" metals; also see aqua fortis, aqua vitae). As the name of a light greenish-blue color, by 1936. updated on September 24, 2022 |