Where does “underestimatable” come from?

underestimatable (English) comes from English able, from Middle English able, from Old French able, from Latin habilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

underestimatable (English): Capable of being underestimated

Definitions

  1. Capable of being underestimated

Ancestry of “underestimatable”, step by step

underestimatable traces back through two separate lines of ancestry.

via English able

StepLanguageWordMeaning
1EnglishableEasy to use; Suitable; competent; Liable to
2Middle Englishablecapable, expert, qualified, skilful, competent
3Old Frenchableable; capable
4Latinhabilisable to have/possess/maintain; having sufficient...
5Latin-ilis-ile
6Proto-Italic-elis
7Proto-Indo-European-elis
8Proto-Indo-European-lósForms agent nouns from verbal roots

via English underestimate

StepLanguageWordMeaning
1EnglishunderestimateTo perceive as having a lower value, quantity,...
2Englishunder-Beneath, under
3EnglishunderIn or at a lower level than; As a subject of;...
4Middle Englishunderunder
5Old Englishunderunder, beneath
6Proto-Germanicunderamong, between; under, beneath; under
7Proto-Indo-Europeanh₁entérbetween
8Proto-Indo-Europeanh₁enin; in, inside
Every word from Proto-Indo-European -lós