Definition - A word that denotes a part of a whole.

Example -
A slice of bread and a piece of paper.

Etymology -
The word derives from the Late Latin partitivus, which in turn derives from the Latin partitus, the past participle of partire, to divide.

Oxford English Dictionary -
Its first citation is from 1530:
"Pronownes, unto which I joyne, by cause of lykenesse in nature, partityves."
(Palsgr. 74)

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