Latin word intransitivus comes from Catalan in- (In- ; un- (reversal of meaning or lack of an attribute).), Latin transitivus (Transiting (passing over).), Catalan transitiu ((grammar) transitive.)

Detailed word origin of intransitivus

Dictionary entry	Language	Definition
in-	Catalan (cat)	In- ; un- (reversal of meaning or lack of an attribute).
transitivus	Latin (lat)	Transiting (passing over).
transitiu	Catalan (cat)	(grammar) transitive.
intransitivus	Latin (lat)