The story
- Latin · borrowed fromintolerāns
- French · borrowed fromintolérant
- English todayintolerant
First attested in the first half of the 18th century; either borrowed from French intolérant (early 17th century) or from its source, Latin intolerāns. By surface analysis, in- + tolerant (itself only attested from the 1780s).
First known use, by meaning
- from 1733 Unable or indisposed to tolerate, endure or bear.
- from the 20th c. Unable to digest food or be given substances of a certain composition without adverse effects.
- from 1765 Not tolerant; close-minded about new or different ideas; indisposed to tolerate contrary opinions or beliefs; impatient of dissent or opposition; denying or refusing the right of private opinion or choice in others; inclined to persecute or suppress dissent.
Etymology from Wiktionary, CC BY-SA 4.0.