Where does “rustability” come from?

rustability (English) comes from English ability, from Middle English abilite, from Old French ableté, from Latin habilitās, from Latin habilis, from Latin -ilis, from Proto-Italic -elis, from Proto-Indo-European -elis — Forms agent nouns from verbal roots.

rustability (English): Susceptibility to rust

Definitions

  1. Susceptibility to rust

Ancestry of “rustability”, step by step

rustability traces back through two separate lines of ancestry.

via English ability

StepLanguageWordMeaning
1EnglishabilitySuitableness; The quality or state of being able;...
2Middle Englishabilitesuitability, aptitude, ability
3Old Frenchableté
4Latinhabilitāsability, aptitude, fitness
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 rust

StepLanguageWordMeaning
1EnglishrustThe deteriorated state of iron or steel as a...
2Middle Englishrustrust oxidisation of iron or steel
3Old Englishrūstrust
4Proto-Germanicrustazrust
5Proto-Indo-Europeanrudʰso-red
6Proto-Indo-Europeanh₁rewdʰ-red
Every word from Proto-Indo-European -lós