Artificial intelligent assistant

chrismon

chrismon
  (ˈkrɪzmɒn)
  [med.L., f. Chris(tus + mon(ogramma.]
  = chi-rho.

1872 J. D. Champlin in Appleton's Jrnl. 28 Dec. 723 (Funk), The chrismon..is found on Christian tombs of the beginning of the second century. 1959 Chambers's Encycl. IX. 498/2 The early Christians used a monogram of the first two letters of the name of Christ in Greek..(chrismon or monogrammatic invocation).

Oxford English Dictionary

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