English

subparallel

From sub- + parallel.

A compound of sub- + parallel

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Latin parallēlus

Middle French parallèle

Today it means

adj Almost parallel, but diverging or converging slightly.

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

Etymograph / subparallel