exergue
/ɪkˈsɜːg/noun
- a small space or inscription below the principal emblem on a coin or medal, usually on the reverse side（硬币或奖牌背面主要图案下方的）空白处（或镌刻文字）。
词源
late 17th cent.: from French, from medieval Latin exergum, from ex- 'out'+Greek ergon 'work' （probably as a rendering of French hors d'oeuvre 'something lying outside the work'）.