Where does “tankroom” come from?

tankroom (English) comes from English room, from Middle English roum, from Old English rūm, from Proto-West Germanic rūm, from Proto-Germanic rūmaz, from Proto-Indo-European rewh₁- — free space.

tankroom (English): A room where tanks are kept

Definitions

  1. A room where tanks are kept

Ancestry of “tankroom”, step by step

tankroom traces back through two separate lines of ancestry.

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

via English tank

StepLanguageWordMeaning
1EnglishtankA closed container for liquids or gases; An open...
2Portuguesetanquetank; cistern; a sink used for laundry
3Gujaratiટાંકીcistern, underwater water reservour
4Prakrit𑀝𑀁𑀓
5Sanskritटङ्कfruit of {{taxlink|Feronia elephantum|species}};...
Every word from Proto-Indo-European rewh₁-Every word from Proto-Germanic rūmazEvery word from Proto-West Germanic rūm
tankroom — Etymology, Origin & Word History | Etymology Explorer