просак

Either про- (pro-) +‎ сак (sak) or deverbal from проси́ть (prosítʹ).

• IPA^(key): [prɐˈsak]

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проса́к • (prosák) m inan (genitive проса́ка, nominative plural проса́ки, genitive plural проса́ков)

1. (dated) rope-making machine
2. (figuratively, colloquial) an unpleasant, awkward or embarrassing situation

   Похо́же, мы попа́ли в проса́к. ― Poxóže, my popáli v prosák. ― Seems like we've got ourselves into a pickle.

• Vasmer, Max (1964–1973), “просак”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress

• Dal, Vladimir (1880–1882), “просак”, in Толковый Словарь живаго великорускаго языка [Explanatory Dictionary of the Living Great Russian Language] (in Russian), 2nd edition, Publication of the bookseller-typographer Wolf, M. O.