英语词汇humidity的起源、历史背景-英语词源词典

词汇	humidity
词源	humidity n. late 14c., "state or quality of being humid," from Old French humidité, umidité "dampness, humidity," from Latin humiditatem (nominative humiditas), from humidus "moist, wet" (see humid). In meteorology, "a measure of moisture in the air compared with the amount required to saturate it under current conditions, from 1820 (the full phrase, relative humidity, is by 1819). Entries linking to humidity humid adj. "moist or accompanied with moisture; containing, or formed or effected by, water or vapor; wet, damp," early 15c., from Old French humide, umide "damp, wet" (15c.) or directly from Latin humidus "moist, wet," variant (probably by influence of humus "earth") of umidus, from umere "be moist, be wet," from Proto-Italic umo- "wet" (also source of Latin umidus "wet, moist," umiditas "moisture," umor "moisture, fluid," umectus "moist, wet"), perhaps from PIE uhrmo- "wet," from the same source as Latin urina [de Vaan]. updated on August 16, 2022
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humidity n.