Where does “estimator” come from?

Estimator comes from Latin aestimatus, the past participle of aestimare, meaning to assess or value, which is related to Old Latin aestumare.

estimator (English): A person who estimates, especially one who...

Definitions

  1. A person who estimates, especially one who...

Ancestry of “estimator”, step by step

estimator traces back through two separate lines of ancestry.

via French estimateur

StepLanguageWordMeaning
1Frenchestimateurestimator, assessor
2French-ateur-ator
3Latin-ator-ator, -er; second-person singular future passive...
4Latin-tor-er
5Proto-Italic-tōrForms agent nouns to verb stems
6Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
7Proto-Indo-European-tor-s

via Latin aestimator

StepLanguageWordMeaning
1Latinaestimatorone who values (judges the worth or moral value of something); an appraiser, estimator
Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from French -ateur