English

subcomponent

From sub- + component.

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Latin compōnō ‘assemble, put together’

Latin compōnēns

Today it means

noun A lesser or secondary component.

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

Etymograph / subcomponent