nystagmus

The story

1. Ancient Greek · derived fromνυσταγμός“nodding, drowsiness”
2. New Latin · borrowed fromnystagmus
3. English todaynystagmus

First attested in 1798. From New Latin nystagmus, from Ancient Greek νυσταγμός (nustagmós, “nodding, drowsiness”), from νυστάζω (nustázō, “nod, be sleepy”).