Where does “nonadditional” come from?

nonadditional (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.

nonadditional (English): Not additional

Definitions

  1. Not additional

Ancestry of “nonadditional”, step by step

nonadditional 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 additional

StepLanguageWordMeaning
1EnglishadditionalSupplemental or added to something; Something...
2English-alOf or pertaining to. Adjectival suffix appended...
3Latin-alisUsed to form adjectives of relationship from...
4Proto-Indo-European-li-
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn