Where does “autorail” come from?

autorail (French) comes from French rail, 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 — Derives agent nouns from verbs, denoting someone...

autorail (French): railcar

Definitions

  1. railcar

Ancestry of “autorail”, step by step

autorail traces back through two separate lines of ancestry.

via French rail

StepLanguageWordMeaning
1Frenchrailrail
2EnglishrailA horizontal bar extending between supports and...
3Middle Englishrail
4Old Englishregola rule; a ruler
5Latinrēgularule, bar
6Latin-ularegō + API → rēgula; tegō + API → tēgula;...
7Proto-Indo-European-tlomAlternative form of *-trom
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via French automoteur

StepLanguageWordMeaning
1Frenchautomoteurautomotive
2Frenchmoteurmotor, engine; driving force; motive, driving
3Latinmotormover; that which moves something; first-person...
4Latin-tor-er
5Proto-Italic-tōrForms agent nouns to verb stems
6Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
7Proto-Indo-European-tor-s
Every word from Proto-Indo-European -tḗr
autorail — Etymology, Origin & Word History | Etymology Explorer