Where does “tearoom” come from?

Tearoom derives from English tea and room, where tea comes from Dutch thee, ultimately from Proto-Sino-Tibetan s-la, and room from Proto-Germanic rūmaz and Proto-Indo-European rewh₁-.

tearoom (English): A café which serves tea, usually with light food;...

Definitions

  1. A café which serves tea, usually with light food;...

Ancestry of “tearoom”, step by step

tearoom traces back through two separate lines of ancestry.

via English TEA

StepLanguageWordMeaning
1EnglishTEATraining and employment agency; Acronym of...
2Dutchtheetea
3Malaytehtea
4Malayputihwhite
5Classical Malayputihwhite
6Proto-Malayicputihwhite
7Proto-Malayo-Polynesian(ma-)putiqwhite

via English room

StepLanguageWordMeaning
1EnglishroomOpportunity or scope; Space "for" something, or...
2Middle EnglishroumA space or area; A room
3Old Englishrūmroom, space; roomy, spacious, ample, extensive,...
4Proto-West Germanicrūmroomy, spacious; room, open space
5Proto-Germanicrūmazroomy, spacious, open
6Proto-Indo-Europeanrewh₁-free space
Every word from Proto-Malayo-Polynesian (ma-)putiq