Where does “nonbacktracking” come from?

nonbacktracking (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.

nonbacktracking (English): That does not backtrack

Definitions

  1. That does not backtrack

Ancestry of “nonbacktracking”, step by step

nonbacktracking 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 backtracking

StepLanguageWordMeaning
1Englishbacktrackingpresent participle of backtrack; The act of one...
Every word from Proto-Indo-European óynosEvery word from Old Latin noenumEvery word from Latin nōn