Where does “nonrail” come from?

nonrail (English) comes from English rail, from Middle English rail, from Old English regol, from Latin rēgula, from Latin -ula, from Proto-Indo-European -tlom, from Proto-Indo-European -trom, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...

nonrail (English): Not of or pertaining to rail transport

Definitions

  1. Not of or pertaining to rail transport

Ancestry of “nonrail”, step by step

nonrail traces back through two separate lines of ancestry.

via English rail

StepLanguageWordMeaning
1EnglishrailA horizontal bar extending between supports and...
2Middle Englishrail
3Old Englishregola rule; a ruler
4Latinrēgularule, bar
5Latin-ularegō + API → rēgula; tegō + API → tēgula;...
6Proto-Indo-European-tlomAlternative form of *-trom
7Proto-Indo-European-tromForms nouns denoting a tool or instrument
8Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

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
Every word from Proto-Indo-European -tḗrEvery word from Latin -ulaEvery word from Latin rēgula