aegis
/ˈiːdʒɪs/noun
in sing.
1- the protection, backing, or support of a particular person or organization保护, 支持, 拥护（某人, 某组织）：
the negotiations were conducted under the aegis of the UN.
谈判在联合国的支持下进行。
1.1
- (in classical art and mythology) an attribute of Zeus and Athena (or their Roman counterparts Jupiter and Minerva) usually represented as a goatskin shield（古典艺术和神话）神盾, 宙斯盾, 羊皮盾（宙斯和雅典娜或罗马主神朱庇特和密涅瓦的象征标志）。
词源
early 17th cent. （denoting armour or a shield， especially that of a god）： via Latin from Greek aigis 'shield of Zeus'.