genitive

/JH EH1 N AH0 T IH0 V/
noun
  1. 1

    (grammar) An inflection pattern (of any given language) that expresses origin or ownership and possession.

  2. 2

    (grammar) A word inflected in the genitive case; a word indicating origin, ownership or possession.

adjective
  1. 1

    (grammar) Of or pertaining to that case (as the second case of Latin and Greek nouns) which expresses a quality, origin or possession. It corresponds to the possessive case in English.

Source: https://en.wiktionary.org/wiki/genitive