Christusmonogramm

Recorded circa 1840, from Christus (“Christ”) +‎ Monogramm (“monogram”). Derived from the Medieval Latin monogramma Christi. Older literature uses the Latin expression, or Chrismon. First attested in the 18th century.

Christusmonogramm n (strong, genitive Christusmonogramms, plural Christusmonogramme)

1. Christogram, especially the chi-rho symbol (☧).
   • 1840: "Es sieht aus, wie wenn sich zwischen dem Christusmonogramm, χς, in der Mitte zeige — eine Schlange, das ξ" ("It looks as if there were, in the midst of the Christogram χς, a Serpent, the letter ξ") Th. F. J. Züllig, "Die Zahl 666" (viz. the Greek numeral χξς΄), Die Offenbarung Johannis vol. 2, p. 248.

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