The story
- Late Latin · derived fromcooperātus
- English todaycooperate
Originated 1595–1605 from Late Latin cooperātus, perfect passive participle of cooperor (“to work with”), see -ate (verb-forming suffix) for more. Equivalent to co- + operate. Displaced native Old English efnwyrċan.
Etymology from Wiktionary, CC BY-SA 4.0.