Artificial intelligent assistant

primstaff

primstaff Obs.
  Also 9 primestaff; pl. 7– primstaves.
  [Sw. primstaf, Norw. and Da. primstav, Icel. pr{iacu}mstafr (in text of c 1200), f. pr{iacu}m prime n.1 + staf-r stave, letter.]
  The Icelandic and Scandinavian name of a clog almanack. (Partly in Eng. form in Evelyn and Plot, and in mod. Dicts., but never in Eng. use.)

1662 Evelyn Chalcogr. (1769) 38 Runic writings, or engraven letters, as in their rimstoc or primstaff. 1686 Plot Staffordsh. 419 By the Norwegians..[wooden Almanacks] are call'd Primstaves,..the principall..thing inscribed on them, being the Prime or golden number. Ibid. 420 The Primstaf of the Norwegians.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC 134c36a86de0c488db984136f44f1116