Etymograph

English

RER

RER comes from French RER.

  1. Frenchc. 1600–presentRER
  2. Englishearliest quotation 1991same form

attested reconstructed ? uncertain or disputed

Lineage

  1. Frenchc. 1600–presentRER
  2. Englishearliest quotation 1991same form

Earliest quotation: 1991, Working Paper:: “[…] the recently approved Crossrail link, together with the…”

Today it means

noun A type of railway system that generally runs from suburbs or satellite towns into a city centre, with a central tunnel or overground corridor with higher speeds and more widely spread stations than a subway or metro.

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

Etymograph / French RER / RER