what does aegis mean

The word "aegis" means protection, support, or sponsorship, especially by a powerful or influential source. It originates from Greek mythology, where the aegis was a shield or protective cloak associated with Zeus and Athena, often depicted as a goatskin shield bearing the head of Medusa. In modern usage, saying something is "under the aegis of" a person or organization means it is done under their protection or guidance.