What is "usnisavijaya"

Uṣṇīṣavijayā ("Victorious One with Ushnisha"; ; , "Crested Ultimate Tara") is a buddha of longevity in Buddhism. She wears an image of Vairocana in her headdress. With Amitayus and Sitatara, she constitutes the three Buddhas of long life. She is one of the more well-known Buddhist divinities in Nepal, Tibet, and Mongolia.