DCHP-1 Online
sweating bath 
a hut, wigwam, etc. used for taking sweat-baths (def. 1), originally a practice of Indians.
See also: sweat-bath (def. 1) sweat-house
- c1902 The man-smell is as acute to the beast's nose as the rank fur-animal-smell is to the man's nose; and the first thing that an Indian who has had a long run of ill-luck does is to go to a native "sweating-bath" and make himself clean.
- 1872 (1873) We passed one or two deserted tents, and "sweating booths," but no Indians.
- c1902 The man-smell is as acute to the beast's nose as the rank fur-animal-smell is to the man's nose; and the first thing that an Indian who has had a long run of ill-luck does is to go to a native "sweating-bath" and make himself clean.