possessive case
Definition - Another name for the genitive case in modern English. It is indicated by the use of the 's.

Example -
Bob's uncle

Etymology -
The term derives from the Latin casus possessivus, a translation of the Greek ktetike ptosis, possessive case.

Oxford English Dictionary -
Its first citation is from 1763:
"This Case answers to the Genitive Case in Latin, and may still be so called; though perhaps more properly the Possessive Case."
(Lowth Eng. Gram. 25)

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