Artificial intelligent assistant

planch-board

ˈplanch-board Obs.
  [f. planch n. + board n.]
  = plank-board.

1394 in Archaeologia XXIV. 307 Materiem pro walplates et bemes, et plaunchborde et plegges. 1525 Ld. Berners Froiss II. clvii. [cliii.] 432 The great table of Marble..was made lengar with a great plaunche borde of Oke. 1551 Inv. Ch. Goods Surrey 124 For cc. of planche bourde at vi s. the c ffoote.

Oxford English Dictionary

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