संस्‍कृतशब्‍दकोशः

अनन्तरज

सबसे बड़े के बाद पैदा हुआ

not eldest, born after eldest

Monier–Williams

अनन्तरज — {ja} m. 'next-born', the son of a Kshatriyā or Vaiśyā mother by a father belonging to the caste immediately above the mother's Mn. x, 41