English word inaperturate comes from English in-, English aperturate

Detailed word origin of inaperturate

Dictionary entry	Language	Definition
in-	English (eng)	In, into (non-productive) Added to adjectives to mean not. (non-productive) Added to nouns to mean lacking or without. (non-productive) Used with certain words to reverse their meaning In, into, towards, within.
aperturate	English (eng)	(palynology, of a pollen grain) Having one or more apertures.
inaperturate	English (eng)	Lacking apertures.

Words with the same origin as inaperturate