/ ˈdʒenətɪv; NAmE / noun
( grammar ) ( in some languages ) the special form of a noun, a pronoun or an adjective that is used to show possession or close connection between two things
—compare ablative , accusative , dative , nominative , possessive , vocative
► geni·tive adjective
late Middle English : from Old French genitif , -ive or Latin genitivus (casus) (case) of production or origin, from gignere beget.