Etymograph

English

fieldbus

field + bus

A compound of field + bus

Proto-Germanic *felþuz ‘field’

Proto-West Germanic *felþu ‘field’

Old English feld ‘field’

Middle English feld ‘field’

English field

Proto-Indo-European *h₃ep- ‘to work’

…

Latin omnis ‘every’

Latin omnibus

French omnibus ‘omnibus’

English omnibus

English bus

Today it means

noun A member of a family of industrial digital communication networks used for real-time distributed control.

Language periods are conventional ranges, not dates for this word.

Etymograph / fieldbus