Where does “nonbusy” come from?

nonbusy (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.

nonbusy (English): Not busy

Definitions

  1. Not busy

Ancestry of “nonbusy”, step by step

nonbusy 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 busy

StepLanguageWordMeaning
1EnglishbusyCrowded with business or activities; having a...
2Middle EnglishbisyEngaged in activity; preoccupied; Having a strong...
3Old Englishbisiġbusy, occupied, diligent
4Proto-West Germanicbisīgzealous; diligent; busy; eident
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →