Where does “apertureless” come from?

apertureless (English) comes from English aperture, from Russian апертура, from Latin apertūra, from Latin apertus, from Latin aperiō, from Proto-Indo-European h₂epó — off, away.

apertureless (English): Without an aperture

Definitions

  1. Without an aperture

Ancestry of “apertureless”, step by step

apertureless traces back through two separate lines of ancestry.

via English aperture

StepLanguageWordMeaning
1EnglishapertureAn opening, gap, or hole, usually small and...
2Russianапертураaperture
3Latinapertūraan act of opening
4Latinapertusopened, open, free; public; having been opened;...
5Latinaperiōto uncover, make or lay bare, reveal, clear
6Proto-Indo-Europeanh₂epóoff, away

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European h₂epóEvery word from Latin aperiōEvery word from Latin apertus