aegis

or e·gis

[ ee-jis ]
/ ˈi dʒɪs /

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.

Origin of aegis

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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for aegis

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

Word Origin for aegis

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