Artificial intelligent assistant

blichening

ˈblichening, n. Obs. rare—1.
  [perh. vbl. n. from *blichen, a southern form of blikne, bliken, to become pale. Cf. blight.]
  Mildew, rust, or blight in corn.

c 1420 Pallad. on Husb. i. 827 For blichenyng [rubigine] and myst take chaf and raf, And ley it on thi lande.

Oxford English Dictionary

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