The affix ḍa comes after the verb jan 'to be produced', with a past signification, when the root takes the preposition anu and is compounded with a word in the Accusative -2nd case.,
As पुमनुजा 'a girl born after the male child i. e. a girl having an elder brother'; स्त्र्यमनुजः 'a boy born after the female child i. e. a boy having an elder sister'.,