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Ἔρως ἀνίκατε μάχαν → O love, invincible in battle!
ἀμεσολάβητος, ἀδάματος, ἄλειπτος, ἀήσσητος, ἀσυνέξωστος
invicto invictare, invictavi, invictatus V :: excite, exasperate, irritate