Etymograph

English

submain

From sub- + main.

Formed from sub- + main

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Middle English mayn

English main

Today it means

noun A subsidiary electrical main.

Sources

Sources: Wiktionary, “submain”. 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 / submain

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