Where does “Trauma” come from?

Trauma (German) comes from Ancient Greek τραῦμα, from Ancient Greek τιτρώσκω, from Proto-Indo-European terh₃- — to hurt.

Trauma (German): trauma

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	τραῦμα	wound, hurt; hurt, damage; heavy blow, defeat
2	Ancient Greek	τιτρώσκω	to harm, hurt
3	Proto-Indo-European	terh₃-	to hurt

Trauma — Etymology, Origin & Word History | Etymology Explorer