Etymograph

English

sublevel

From sub- + level.

A compound of sub- + level

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Latin lībra ‘a balance, a level’

Latin libella ‘a balance, a level’

Old French livel

Middle English level

English level

Today it means

noun An intermediate level between others in a mine

Sources

Sources: Wiktionary, “sublevel”. 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 / sublevel

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