Where does “bathroomless” come from?

bathroomless (English) comes from English bathroom, 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.

bathroomless (English): Without a bathroom

Definitions

  1. Without a bathroom

Ancestry of “bathroomless”, step by step

bathroomless traces back through two separate lines of ancestry.

via English bathroom

StepLanguageWordMeaning
1EnglishbathroomA room containing a shower and/or bathtub, and a...
2EnglishroomOpportunity or scope; Space "for" something, or...
3Middle EnglishroumA space or area; A room
4Old Englishrūmroom, space; roomy, spacious, ample, extensive,...
5Proto-West Germanicrūmroomy, spacious; room, open space
6Proto-Germanicrūmazroomy, spacious, open
7Proto-Indo-Europeanrewh₁-free space

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European rewh₁-