English

macroaperture

From macro- + aperture.

Proto-Indo-European *meh₂ḱ- ‘to increase’

Proto-Indo-European *mh₂ḱrós ‘lean, meager’

Proto-Hellenic *makrós

Ancient Greek μακρός ‘long’

Proto-Italic *apweriō

Latin aperiō ‘to uncover, make or lay bare’

Latin apertūra ‘an opening’

Today it means

noun A transient hole in endothelial cell walls

Language periods are conventional ranges, not dates for this word.

Etymograph / macroaperture