noun, noun-modifying (irregular)
Used as a noun or prenominally to describe something very old, often in fantasy, historical, or gaming contexts. Less common than native terms like 古代の.
そのゲームではエンシェントドラゴンが最強の敵だ。
In that game, the ancient dragon is the strongest enemy.
エンシェント文明の遺跡が発見された。
Ruins of an ancient civilization were discovered.