Castra etymology

Latin

Latin word castra comes from Proto-Indo-European *kes-, Proto-Indo-European *kat-

Etymology of castra

Detailed word origin of castra

Dictionary entry Language Definition
*kes- Proto-Indo-European (ine)
*kat- Proto-Indo-European (ine)
castrum Latin (lat) (chiefly plural) camp, especially a military camp. Castle, fort.
castra Latin (lat) (by extension) military service. A philosophical sect. An encampment, camp.