from a compound of θηρίον and μάχομαι; to be a beast-fighter (in the gladiatorial show), i.e. (figuratively) to encounter (furious men):--fight with wild beasts.
from ἄγω; properly, a place of assembly (as if led), i.e. (by implication) a contest (held there); figuratively, an effort or anxiety:--conflict, contention, fight, race.