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Origin and history of aqua

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.

Entries linking to aqua

also aquafortis, old commercial name for "diluted nitric acid," c. 1600, Latin, literally "strong water;" for the elements, see aqua- + fort. Also see aqua. So called for its power of dissolving metals (copper, silver) which are unaffected by other agents.

also aqua-vitae, early 15c., Latin, literally "water of life," an alchemical term for unrefined alcohol. It was applied to brandy, whiskey, etc. from 1540s. For the elements, see aqua- + vital; also see aqua. Compare whiskey, also French eau-de-vie "spirits, brandy," literally "water of life."

*akwā-, Proto-Indo-European root meaning "water."

It might form all or part of: aqua; aqua-; aqua vitae; aqualung; aquamarine; aquanaut; aquarelle; aquarium; Aquarius; aquatic; aquatint; aqueduct; aqueous; aquifer; Aquitaine; eau; Evian; ewer; gouache; island; sewer (n.1) "conduit."

It might also be the source of: Sanskrit ap "water;" Hittite akwanzi "they drink;" Latin aqua "water, the sea, rain;" Lithuanian upė "a river;" Old English ea "river," Gothic ahua "river, waters." But Boutkan (2005) writes that only the Germanic and Latin words are sure, Old Irish ab is perhaps related, and "the rest of the evidence in Pokorny (1959) is uncertain."

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