Where does “railbus” come from?

railbus (English) comes from English bus, from English omnibus, from French omnibus, from Latin omnibus, from Latin omnis, from Proto-Italic opnis, from Proto-Indo-European h₃ep-ni-s, from Proto-Indo-European h₃ep- — to work, toil, make; ability, force.

railbus (English): A lightweight passenger rail vehicle, similar in...

Definitions

  1. A lightweight passenger rail vehicle, similar in...

Ancestry of “railbus”, step by step

railbus traces back through two separate lines of ancestry.

via English bus

StepLanguageWordMeaning
1EnglishbusA motor vehicle for transporting large numbers of...
2EnglishomnibusA vehicle set up to carry many people; An...
3FrenchomnibusPertaining to a local; omnibus, bus
4Latinomnibusdative masculine plural of omnis; dative feminine...
5Latinomnisevery; all
6Proto-Italicopnisevery, all
7Proto-Indo-Europeanh₃ep-ni-sworking
8Proto-Indo-Europeanh₃ep-to work, toil, make; ability, force

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...
Every word from Proto-Indo-European h₃ep-Every word from Proto-Indo-European h₃ep-ni-sEvery word from Proto-Italic opnis
railbus — Etymology, Origin & Word History | Etymology Explorer