Where does “inestimable” come from?

inestimable (Middle French) comes from Latin inaestimābilis, from Latin aestimabilis, from Latin -bilis, from Proto-Italic -ðlis, from Proto-Indo-European -dʰlis, from Proto-Indo-European -dʰlom — Alternative form of *-trom; instrumental suffix;...

inestimable (Middle French): priceless, invaluable; inestimable

Definitions

  1. priceless, invaluable; inestimable

Ancestry of “inestimable”, step by step

inestimable traces back through two separate lines of ancestry.

via Latin inaestimābilis

StepLanguageWordMeaning
1Latininaestimābilisthat cannot be estimated or judged
2Latinaestimabilisestimable, valuable, worthy of appraisement
3Latin-bilis-ble
4Proto-Italic-ðlisForms adjectives from verb stems indicating capacity or worth of being acted on
5Proto-Indo-European-dʰlis
6Proto-Indo-European-dʰlomAlternative form of *-trom; instrumental suffix;...

via Middle French estimable

StepLanguageWordMeaning
1Middle Frenchestimableestimable, creditable
2Middle Frenchestimerto think; to consider; to have the opinion
3Old Frenchestimerto think; to consider; to have the opinion (that)
4Latinaestimōto determine the value of something; value, price, rate, appraise, assess; estimate, reckon, consider, judge
5Latinaestumoto value, rate, esteem

Words derived from “inestimable

Every word from Proto-Indo-European -dʰlomEvery word from Latin -bilisEvery word from Latin aestimabilis