Etymograph

English

subbottom

From sub- + bottom.

Formed from sub- + bottom

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Proto-Indo-European *bʰudʰmḗn

Proto-Germanic *butmaz ‘bottom’

Proto-West Germanic *butm

Old English botm ‘bottom’

Middle English botme

English bottom

Today it means

adj Being below the bottom of something.

Sources

Sources: Wiktionary, “subbottom”. 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 / subbottom