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.
Latin spelling and pronunciation , starting in rural areas at the end of the Republican period. The process, however, does not seem to have been completed before the 3rd century AD in Vulgar Latin, and some scholars say that it may have been regular by the 5th century. Vowel and consonant length were more significant and more clearly defined in Latin than in modern English. Length is the duration of time that a particular sound is held before proceeding to the next sound in a word. Unfortunately, "vowel length" is a confusing term for English speakers, who, in their language, call "long vowels" what