Abhramū (Abhramu) is the wife of the elephant Airāvata (Airavata). Añjana (Anjana), Supratīka (Supratika), Vāmana (Vamana), and Padma — these four ‘Diggaja'(s) (Four mythical elephants, protecting the four sides) were born of the womb of Abhramū, and sired by Airāvata.
See Dighastinī (Dighastini).