amsa

The individual atman is an eternal mode, a genuine part, an amsa , of Brahman, never dissolved into it.

…s a purna-avatara ; the tradition also speaks of partial descents, an amsa or a kala , in which only a portion of the divine power enters a being.

A widespread tradition holds that Hanuman is an amsa , a partial descent, of Rudra-Shiva, and the Hanuman Chalisa itself calls him Shankar suvan , the son of Shiva.