English
endarterial
From end- + arterial.
Proto-Indo-European *h₁én ‘in’
Proto-Indo-European *h₁n̥dó ‘into, inside’
Proto-Indo-European *h₁n̥dóm ‘inside’
Proto-Hellenic *éndon
Ancient Greek ἔνδον ‘within’
English end-
Today it means
adj Within an artery; relating to the intima of an artery.
Language periods are conventional ranges, not dates for this word.
Etymograph / endarterial