Artificial intelligent assistant

rask

rask, v. Obs. rare.
  [var. rax v.; cf. ask and ax.]
  intr. To stretch oneself; to yawn.

1303 R. Brunne Handl. Synne 4282 Þan begynneþ he [Sloth] to klawe and to raske, And ȝyueþ Terlyncel hys taske. He klawyþ, he shrubbyþ, wel at hys pay. c 1325 Gloss. W. de Bibbesw. in Wright Voc. 152 Après dormer il {cced}o espreche, raskyt hym. c 1440 Promp. Parv. 424/1 Raskyn', exalo.

  So ˈraskle v. intr. = raxle v. Obs.

1393 Langl. P. Pl. C. viii. 7 He..rascled and remed and routte at þe laste. 1570 Levins Manip. 35/26 To raskle, pandiculari.

Oxford English Dictionary

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