Where does “cautionable” come from?

cautionable (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.

cautionable (English): Able to be cautioned or warned; susceptible to being given a caution

Definitions

  1. Able to be cautioned or warned; susceptible to being given a caution

Ancestry of “cautionable”, step by step

cautionable 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 caution

StepLanguageWordMeaning
1EnglishcautionPrecept or warning against evil or danger of any...
Every word from Proto-Indo-European -lós →Every word from Latin -ilis →Every word from Latin habilis →