Russian

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Etymology

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Borrowed from French vasistas (transom window, fortochka), from German Was ist das? (What is that?).

Pronunciation

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Noun

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васисда́с (vasisdásm inan (genitive васисда́са, nominative plural васисда́сы, genitive plural васисда́сов)

  1. (obsolete) (colloquial) small inspection window

Declension

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References

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