Hitchhiker's Guide to Religion
IHS / Chi-Rho
Sacred Symbol

IHS / Chi-Rho

/ Christograms

SymbolFormMeaning
Chi-Rho (☧)Overlapping X (chi) and P (rho)First two letters of CHRISTOS in Greek. Constantine saw this in a vision: “In this sign, conquer.” Earliest Christian symbol (pre-cross)
IHSLettersFirst three letters of IESOUS (Jesus) in Greek: Iota-Eta-Sigma. Catholic interpretation: “Iesus Hominum Salvator” (Jesus, Savior of Mankind). Adopted by Jesuits
INRILetters on cross”Iesus Nazarenus Rex Iudaeorum” (Jesus of Nazareth, King of the Jews). Pilate’s inscription. In Masonic Rose Croix (18th degree), reinterpreted as: Igne Natura Renovatur Integra (“By fire, nature is renewed whole”)
Alpha & Omega (A/Ω)First/last Greek letters”I am the Alpha and the Omega, the beginning and the end” (Rev 1:8). Christ encompasses all of time
Ichthys (Fish)ΙΧΘΥΣAcronym: Iesous Christos Theou Yios Soter (Jesus Christ, God’s Son, Savior). Secret sign of early Christians under persecution

INRI reinterpreted: The Masonic Rose Croix degree takes INRI from its biblical meaning and gives it an alchemical one: “By fire, nature is renewed whole.” Same letters, different key.