Dutch word ontleden comes from Dutch ont-, Dutch leden

Detailed word origin of ontleden

Dictionary entry	Language	Definition
ont-	Dutch (nld)	Forms inchoative verbs, indicating that a process is beginning. Un-, de-; forms verbs meaning to negate, remove or separate.
leden	Dutch (nld)
ontleden	Dutch (nld)	(biology) to dissect. (grammar) to parse. To dismember, to analyze.

Words with the same origin as ontleden