Where does “endoarterial” come from?

endoarterial (English) comes from English arterial, from English artery, from Old French artaire, from Latin artēria, from Ancient Greek ἀρτηρία, from Ancient Greek ἀείρω, from Proto-Indo-European h₂wer-, from Proto-Indo-European wēr- — to burn; to cover, heed, notice; squirrel.

Ancestry of “endoarterial”, step by step

endoarterial traces back through two separate lines of ancestry.

via English arterial

StepLanguageWordMeaning
1EnglisharterialOf or relating to an artery; Major, important; A...
2EnglisharteryAn efferent blood vessel from the heart,...
3Old Frenchartaireartery
4Latinartēriaa windpipe
5Ancient Greekἀρτηρίαartery; windpipe, trachea; bronchi
6Ancient Greekἀείρωto lift up, raise, support; to bear, sustain; to...
7Proto-Indo-Europeanh₂wer-to lift up; to moisten; to flow; to raise, hang
8Proto-Indo-Europeanwēr-true
9Proto-Indo-Europeanwer-to burn; to cover, heed, notice; squirrel

via English endo

StepLanguageWordMeaning
1Englishendomarijuana; A bike trick where the bike is ridden...
2Ancient Greekἔνδονin, within
3Proto-Hellenicéndon
4Proto-Indo-Europeanh₁n̥dóminside
5Proto-Indo-Europeanh₁n̥dóinto, inside
6Proto-Indo-Europeanh₁énin
Every word from Proto-Indo-European wer-