Where does “poolroom” come from?

poolroom (English) comes from English Pool, from Middle English pool, from Old English pōl, from Proto-West Germanic *pōl, from Proto-Germanic pōlaz, from Proto-Indo-European bale-, from Yoruba ilé — home; house.

poolroom (English): A room with pool tables where pool can be played,...

Definitions

  1. A room with pool tables where pool can be played,...

Ancestry of “poolroom”, step by step

poolroom traces back through two separate lines of ancestry.

via English Pool

StepLanguageWordMeaning
1EnglishPoolOS grid ref SW6641
2Middle Englishpool
3Old Englishpōlpool
4Proto-West Germanic*pōl
5Proto-Germanicpōlazpool
6Proto-Indo-Europeanbale-bog, marsh
7Yorubailéhome; house

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 Yoruba iléEvery word from Proto-Indo-European bale-Every word from Proto-Germanic pōlaz