Scribal abbreviation by "contraction" and was mostly a Christian usage for sacred words, Nomina Sacra; non-Christian sigla usage usually limited the number of letters the abbreviation comprised and omitted no intermediate letter. One practice was rendering an overused, formulaic phrase only as a siglum: DM for "Dis Manibus" ("Dedicated to the Manes"); IHS from the first three letters of "ΙΗΣΟΥΣ"; and RIP for "requiescat in pace" ("Rest in Peace") because the long-form written usage of the abbreviated phrase, by itself, was rare. According to Trabe, these abbreviations are not really meant to lighten the burden of the scribe but rather to shroud
Latin influence in English very common. The majority of them did not survive into the Middle English Period. The Norman Conquest of 1066 gave England a two tiered society with an aristocracy which spoke Anglo-Norman and a lower class which spoke English. From 1066 until Henry IV of England ascended the throne in 1399, the royal court of England spoke a Norman language that became progressively Gallicised through contact with French. However, the Norman rulers made no attempt to suppress the English language, apart from not using it at all in their court. In 1204, the Anglo-Normans lost their continental territories in Normandy and