Where does “nonusable” come from?

nonusable (English) comes from English non, from French non, from Old French non, from Latin nōn, from Old Latin noenum, from Proto-Indo-European óynos — one; single.

nonusable (English): Not usable

Definitions

  1. Not usable

Ancestry of “nonusable”, step by step

nonusable traces back through two separate lines of ancestry.

via English non

StepLanguageWordMeaning
1EnglishnonObsolete form of none
2Frenchnonno; not; a no, a negative response
3Old Frenchnonno; not; Alternative form of nom
4Latinnōnnot
5Old Latinnoenum
6Proto-Indo-Europeanóynosone; single

via English usable

StepLanguageWordMeaning
1EnglishusableCapable of being used; Easy to use; exhibiting...
2Old Frenchusable
3Old Frenchuserto use; to employ; to make use of
4Latinusarepresent active infinitive of *ūsō
5Latinutīhow
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn