intransigent (adj.) Look up intransigent at Dictionary.com
1881, from French intransigeant, from Spanish los intransigentes, literally "those not coming to agreement," name for extreme republican party in the Spanish Cortes 1873-4, from in- "not" (see in- (1)) + transigente "compromising," from Latin transigentem (nominative transigens), present participle of transigere "come to an agreement, accomplish, to carry through" (see transaction). Acquired its generalized sense in French.