The story
- Latin · borrowed fromvēnōsus“full of veins, veiny”
- English todayvenous
Morphologically vein + -ous, which is a borrowing from Latin vēnōsus (“full of veins, veiny”), from vēna (“a blood vessel, vein”) + -ōsus (“-ous, -ose”, adjectival suffix). Doublet of venose.
Etymology from Wiktionary, CC BY-SA 4.0.