Akademik

aegis

n. a protection; an impregnable defence.
Phrases and idioms:
under the aegis of under the auspices of.
Etymology: L f. Gk aigis mythical shield of Zeus or Athene

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aegis [aegis aegises] [ˈiːdʒɪs] [ˈiːdʒɪs] noun

Idiom: ↑under the aegis of somebody  

Word Origin:

early 17th cent. (denoting armour or a shield, especially that of a god): via Latin from Greek aigis ‘shield of Zeus’. Zeus was the supreme god in Greek mythology.

Useful english dictionary. 2012.