Etymograph

English

subdrill

From sub- + drill.

Formed from sub- + drill

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Middle Dutch drillen ‘bore, move in a circle’

English drill

Today it means

noun A training exercise forming part of a larger training exercise or system.

Sources

Sources: Wiktionary, “subdrill”. 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 / subdrill

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