Where does “nonhyphenated” come from?

nonhyphenated (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.

nonhyphenated (English): Not hyphenated

Definitions

  1. Not hyphenated

Ancestry of “nonhyphenated”, step by step

nonhyphenated 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 hyphenated

StepLanguageWordMeaning
1Englishhyphenatedsimple past tense and past participle of...
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn