Where does “nonvacant” come from?

nonvacant (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.

nonvacant (English): Not vacant; occupied

Definitions

  1. Not vacant; occupied

Ancestry of “nonvacant”, step by step

nonvacant 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 vacant

StepLanguageWordMeaning
1EnglishvacantNot occupied; empty; Showing no intelligence or...
2Old Frenchvacant—
3Latinvacānsempty
Every word from Proto-Indo-European óynos →Every word from Old Latin noenum →Every word from Latin nōn →