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aegis

[ ee-jis ]
/ ˈi dʒɪs /
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noun

Classical Mythology. the shield or breastplate of Zeus or Athena, bearing at its center the head of the Gorgon.
protection; support: under the imperial aegis.
sponsorship; auspices: a debate under the aegis of the League of Women Voters.

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Origin of aegis

First recorded in 1425–1475; late Middle English, from Latin, from Greek aigís “shield of Zeus or Athena,” probably from aig- (stem of aíx “goat”) + -is noun suffix, from a type of cloak or shield made of goatskin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for aegis

aegis

sometimes US egis

/ (ˈiːdʒɪs) /

noun

sponsorship or protection; auspices (esp in the phrase under the aegis of)
Greek myth the shield of Zeus, often represented in art as a goatskin
C18: from Latin, from Greek aigis shield of Zeus, perhaps related to aig-, stem of aix goat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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