Artificial intelligent assistant

persiennes

persiennes, n. pl.
  (pɜːʃɪˈɛnz, pɛrsjɛn)
  [Fr., pl. fem. of adj. persien Persian.]
  Outside window-shutters or blinds, made of light laths horizontally fastened in a frame, so as to be movable, like those of Venetian blinds.

1842 L. S. Costello Pilgr. Auvergne I. 90 Throwing the persiannes wide open. 1865 tr. Erckmann-Chatrian's Waterloo (1870) 24 The Jews and Lutherans behind their persiennes up above.

Oxford English Dictionary

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