ONLINE ETYMOLOGY DICTIONARY
- latex (n.)
- 1660s, "body fluid," from Latin latex (genitive laticis) "liquid, fluid," probably from Greek latax "dregs," from PIE root *lat- "wet" (cf. Middle Irish laith "beer," Welsh llaid "mud, mire,"
- Lithuanian latakas "pool, puddle," Old Norse leþja "filth"). Used 1835 to mean "milky liquid from plants." Meaning "water-dispersed polymer particles" (used in rubber goods, paints, etc.) is from 1937. As an adjective by 1954, in place of clasically correct laticiferous.
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