Hungarian word indokol comes from Hungarian -ol-, Hungarian indok (Cause, motivation, reason, motive, argument.)

Detailed word origin of indokol

Dictionary entry	Language	Definition
-ol-	Hungarian (hun)
indok	Hungarian (hun)	Cause, motivation, reason, motive, argument.
indokol	Hungarian (hun)	(transitive) to justify, explain, warrant.

Words with the same origin as indokol