English

endovenous

From endo- + venous.

Proto-Indo-European *h₁n̥dóm ‘inside’

Proto-Hellenic *éndon

Ancient Greek ἔνδον ‘inner’

English endo-

Latin vēna ‘a blood vessel, vein’

Latin vēnōsus ‘full of veins, veiny’

Today it means

adj Inside a vein.

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

Etymograph / endovenous