Etymology of the English word amphitheater
the English word amphitheater
derived from the Latin word amphitheatrum (amphitheater, double theater having stage)
derived from the Greek word amphitheatron, ἀμφιθέατρον
using the Greek prefix amphi-, ἀμφι-, ἀμϕι-
derived from the Greek word theatron, θέατρον (a place for public show ('theatre'); general audience-room; by implication, a show itself)
derived from the Greek word theasthai, θεᾶσθαι
derived from the Greek word thea, θεά (a female deity)
derived from the Greek word theaomai, θεάομαι (to look closely at; perceive ; by extension to visit; to look closely at; perceive; by extension to visit)