Etymograph

English

substudy

From sub- + study.

Formed from sub- + study

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *(s)tewd- ‘to push’

…

Latin studium

Old French estudie

Old French estudier ‘to study’

Middle English studien ‘to study’

English study

Today it means

noun A subset of a study

Sources

Sources: Wiktionary, “substudy”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / substudy