1881, from Fr.
intransigeant, from Sp.
los intransigentes, lit. "not coming to an agreement," name for extreme republican party in Sp. Cortes 1873-4, from
in- "not" +
transigente "compromising," from L.
transigentem (nom.
transigens), prp. of
transigere "come to an agreement, accomplish, to carry through" (see
transact). Acquired its generalized sense in Fr.