Artificial intelligent assistant

a-tiptoe

a-tiptoe, advb. phr.
  (əˈtɪptəʊ)
  [see a prep.1]
  On tiptoe, on the tips of one's toes (either to raise oneself higher, or to move about noiselessly).

1576 R. Scot Hop Gard. 45 They must stand longwyse, as it were a tiptoe. 1647 R. Stapylton Juvenal 98 She sure must stand a-tipto for a kisse. 1751 Smollett Per. Pic. lxxxi, 133 He stood a tiptoe to view himself in the glass. 1868 Geo. Eliot Sp. Gipsy 224 Moving a-tiptoe, silent as the Elves.

Oxford English Dictionary

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