The concept of doing something "under someone's aegis" means doing something under the protection of a powerful, knowledgeable, or benevolent source. The word aegis is identified with protection by a strong force with its roots in Greek mythology.
Aegis - protection, sponsorship, patronage, guidance
The word aegis is a noun. It is a mythological shield.
ae
Your theatrum mundi ate my aegis tuesday.
sus-: less or under
Under the support, protection or backing of someone.
Aegis - protection, sponsorship, patronage, guidance
it means to follow laws
The Emperor was under the aegis of his bodyguards.
Aegis was the Greek word for "shield". The AEGIS system is a system that is designed to shield the ship.
I did a search hoping to find evidence of the word "aegis" being used without being embedded in prepositional phrase that begins "under the;" however, I found none. Here's an example sentence in which the word means "protection": "Popular actors travel under the aegis of bodyguards to protect them from rabid paparazzi." Here's one from Sadlier-Oxford Vocabulary Workshop (New Edition), Level H, Unit 2: "The arts and education programs of the United Nations are under the aegis of UNESCO." In the foregoing case, the word means "patronage" or "sponsorship." Another example: Jane Doe is studying under the aegis of the Empress. (This suggests she enjoys the protection of the latter, who is presumably also paying her fees).
There is not a Roman name for Aegis
The Oracle of Delphi was a priestess who made predictions about the future under the aegis of the god Apollo.
breastplate of Zues
Aegis Trust was created in 2000.
Aegis Wing happened in 2007.
Aegis Group's population is 11,000.