English

subtest

From sub- + test.

Formed from sub- + test

Proto-Indo-European *upó ‘up; from below’

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Latin testum ‘earthen vessel, earthen pot’

Old French test ‘an earthen vessel’

Middle English test

English test

Today it means

noun A test that is part of a larger one.

Language periods are conventional ranges, not dates for this word.