Artificial intelligent assistant

top over terve

top over terve, phr.
  [Cf. topsy-turvy.]
  As v. intr. To topple over, fall topsy-turvy.

a 1450 Brut ccxliv. 378 Our stakez made hem top ouyr terve, eche on oþer, þat þay lay on hepis.

Oxford English Dictionary

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