Borrowed from French caoutchouc, from Spanish caucho, from Quechua kawchu.
caoutchouc (countable and uncountable, plural caoutchoucs)
- latex; natural rubber
- 1831, L[etitia] E[lizabeth] L[andon], Romance and Reality. […], volume I, London: Henry Colburn and Richard Bentley, […], →OCLC, page 299:
- Many a passer-by thought Miss Arundel was listening to some subject of most touching interest: his Lordship was only detailing the benefit he derived one wet day from his caoutchouc cloak.
- caoutchouc in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
Borrowed from Spanish caucho, from Quechua kawchu, with orthographically spurious -c.
caoutchouc m (plural caoutchoucs)
- → Czech: kaučuk
- → German: Kautschuk
- → Esperanto: kaŭĉuko
- → Italian: caucciù
- → Romanian: cauciuc
- → Russian: каучук (kaučuk)
- → Turkish: kauçuk
- → Vietnamese: cao su
- “caoutchouc”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.