Rest in peace (acronym R.I.P.) in the second person singular, or “Requiescite in pace” in the second person plural. In the common phrase "Requiescat in pace" the "-at" ending is appropriate because the verb is a third-person singular present active subjunctive used in a hortative sense: "May he/she rest in peace." The phrase was first found on tombstones some time before the fifth century. It became ubiquitous on the tombs of Christians in the 18th century, and for High Church Anglicans, Methodists, as well as Roman Catholics in particular, it was a prayerful request that their soul should find peace in the afterlife.
Traditional English pronunciation of Latin don't agree with the new pronunciation. I never did. Umph—a lot of nonsense, in my opinion. Making boys say 'Kickero' at school when— umph—for the rest of their lives they'll say 'Cicero'—if they ever—umph—say it at all. And instead of 'vicissim'— God bless my soul—you'd make them say, 'We kiss 'im'! Umph— umph!" Traditional English pronunciation of Latin The traditional English pronunciation of Latin, and Classical Greek words borrowed through Latin, is the way the Latin language was traditionally pronounced by speakers of English until the early 20th century. In the Middle Ages speakers of English, from Middle English onward,