The story
- Latin · derived fromconspirare
- Old French · derived fromconspirer
- Middle English · inherited fromconspiren
- English todayconspire
From Middle English conspiren, from Old French conspirer, from Latin conspirare, conspīrō, from con- (combining form of cum (“with”)) + spīrō (“breathe”).
Etymology from Wiktionary, CC BY-SA 4.0.