The first three letters, in Greek, of the name Jesus. These letters appear as a symbol on the official seal of the Society of Jesus, or Jesuits
Abbreviation for one of the following three Latin terms: Iesus Hominum Salvator, Jesus, Savior of Men; In Hoc Signo (Vinces), in this sign (thou shalt conquer); In Hoc (Cruce) Salus, in this (cross) salvation. Originally ΙΗΣ, a contraction derived from the Greek word for Jesus (ΙΗΣΟΤΣ), used as a symbol or monogram. IHS is considerd a Latin misspelling of the Greek ΙΗΣ, of which the proper Latin form would be IES.