Jesus H. Christ

An Americanism dating back to 1845–50; the H probably from the Greek monogram for Jesus (Iēsoûs in Greek), written IHS or IHC, derived from the first three letters of Iēsoûs written in Greek uncial (capital) letters, in which the H (the uncial Greek eta, transliterated as ē, is reinterpreted as the English letter H;see Jesus