Sanitary
来自Big Physics
mid 19th century: from French sanitaire, from Latin sanitas ‘health’, from sanus ‘healthy’.
wiktionary
19th century, borrowed from French sanitaire, formed from Latin sanitas(“health”).
etymonline
sanitary (adj.)
1823, "pertaining to health," from French sanitaire (1812), from Latin sanitas "health," from sanus "healthy; sane" (see sane). In reference to menstrual pads, first attested 1881 (in sanitary towel).