Origin of endive
- Middle English from Old French from Medieval Latin endivia from Medieval Greek entubia pl. diminutive of Greek entubon from Latin intubus of unknown origin
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French endive, from Medieval Latin *endiva or Late Latin *intibus, perhaps from Byzantine Greek *entybon. Ultimately of uncertain origin, indeed perhaps Egyptian Arabic طوبه (tybi, “January”).