partitive

adjective

par·​ti·​tive ˈpär-tə-tiv 

1

: serving to part or divide into parts

2

a

: of, relating to, or denoting a part

a partitive construction

b

: serving to indicate the whole of which a part is specified

partitive genitive

partitively adverb

Word History

First Known Use

14th century, in the meaning defined at sense 1