From Yiddish שוויצן (shvitsn), from Old High German sweizzen (Modern German Schweiß, schwitzen), from Proto-Germanic *swait- (English sweat), from Proto-Indo-European *swoyd- (“to sweat”).
shvitz (countable and uncountable, plural shvitzes)
- A traditional Jewish steambath of Eastern European origin.
shvitz (third-person singular simple present shvitzes, present participle shvitzing, simple past and past participle shvitzed)
- (intransitive) To sweat.