Where does “non-Indo-European” come from?

non-Indo-European (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.

non-Indo-European (English): Not Indo-European

Definitions

  1. Not Indo-European

Ancestry of “non-Indo-European”, step by step

non-Indo-European 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 Indo-European

StepLanguageWordMeaning
1EnglishIndo-EuropeanA member of the original ethnolinguistic group...
2EnglisheuropeanRelated to Europe
3FrenchEuropéenEuropean; person from Europe
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn