aegis or egis [ee-jis]
1. Classical Mythology. the shield or breastplate of Zeus or Athena, bearing at its center the head of the Gorgon.
2. protection; support: under the imperial aegis.
3. sponsorship; auspices: a debate under the aegis of the League of Women Voters.
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Origin: 1695-1705; < Latin < Greek aigís shield of Zeus or Athena, probably from aig- (stem of aíx goat) + -is noun suffix, from a type of shield made of goatskin
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