Dutch word ontharen comes from Dutch haar, Dutch ont-

Detailed word origin of ontharen

Dictionary entry	Language	Definition
haar	Dutch (nld)	(countable) hair (mammalian keratin filament). (uncountable) hair (collection of hairs) Third-person singular, feminine possessive adjective: her (personal) Third-person singular, feminine object pronoun: her (archaic) Third-person plural possessive adjective: their.
ont-	Dutch (nld)	Forms inchoative verbs, indicating that a process is beginning. Un-, de-; forms verbs meaning to negate, remove or separate.
ontharen	Dutch (nld)	To remove the hair from, to depilate.

Words with the same origin as ontharen