Where does “unerodable” come from?

unerodable (English) comes from English erodable, 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 — Forms agent nouns from verbal roots.

unerodable (English): Not erodable

Definitions

  1. Not erodable

Ancestry of “unerodable”, step by step

unerodable traces back through two separate lines of ancestry.

via English erodable

StepLanguageWordMeaning
1EnglisherodableAlternative form of erodible
2EnglishableEasy to use; Suitable; competent; Liable to
3Middle Englishablecapable, expert, qualified, skilful, competent
4Old Frenchableable; capable
5Latinhabilisable to have/possess/maintain; having sufficient...
6Latin-ilis-ile
7Proto-Italic-elis—
8Proto-Indo-European-elis—
9Proto-Indo-European-lósForms agent nouns from verbal roots

via English un

StepLanguageWordMeaning
1EnglishunOne
Every word from Proto-Indo-European -lós →Every word from Latin -ilis →Every word from Latin habilis →