Artificial intelligent assistant

a-day

aday, a-day, adv., prop. phr.
  (əˈdeɪ)
  [a prep.1 + day = OE. on dæȝe.]
   1. In or on the day (in opposition to the night); by day. Obs.

a 1250 Owl & Nighting. 219 Thu singist a niȝt, and noȝt a dai. 1297 R. Glouc. 289 Seynt Edward þe vyfte ȝer of ys kynedom Aȝen eue aday aslawe was. c 1340 Alex. & Dindimus 425 And us bi-dewen aday · þe dewen of heuene.

  2. On each day; daily. (See a adj.2 4, and a prep.1 8.)

c 1500 Partenay 4252 Full moch haue I hurd spokyn of the aday. 1526 Tindale Matt. xx. 2 He agreede with the labourers for a peny a daye. 1611 ibid. A peny a day. 1783 Robertson Amer. I. 163 The scanty allowance of six ounces of bread a-day for each person. 1825 Br. Jonathan II. 217 You would have begun with nearly three hours a-day.

Oxford English Dictionary

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