Origin of carotidClassical Greek kar?tis, plural kar?tides, the two great arteries of the neck from karoun, to plunge into sleep or stupor: so called because compression of these was believed to cause unconsciousness
Origin of carotidFrench carotide from Greek karōtides carotid arteries from karoun to stupefy (because compression of these arteries causes loss of consciousness) ; see ker-1 in Indo-European roots.
- Relating to these arteries
From Latin caros or Ancient Greek κάρος (karos, “sleep, stupor”). From the fact that the carotid artery supplies blood to the brain, and interruption of this flow causes loss of consciousness.