English

subestimate

From sub- + estimate.

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

Proto-Italic *supo ‘under’

Latin sub ‘under, beneath, below’

English sub-

Latin aestimō ‘to determine the value of something’

Latin aestimātus ‘assessed, estimated, reckoned, considered’

Middle English estimat

Today it means

verb underestimate

Language periods are conventional ranges, not dates for this word.

Etymograph / subestimate