When Lord Hanuman Indulged in the combat with Ahiravana, he learned that it had been impossible to destroy Ahiravana in a very struggle, and there should be some secret about his Dying. This earned Hanuman the moniker Anjaneya, which accurately means "arising from Anjana." Hanuman's parentage, a mix of monkey https://www.youtube.com/watch?v=ufkmD95y7fE&t=1s