Etymograph

English

subestimation

From sub- + estimation.

Formed from sub- + estimation

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Latin aestimo ‘to determine the value of something’

Latin aestimatio ‘valuation, estimation according to its worth,…’

Old French estimacion

Middle English estimacioun

English estimation

Today it means

noun underestimation

Sources

Sources: Wiktionary, “subestimation”. 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 / subestimation