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
Skin in the game (phrase) heard in common use. Skin in the game (phrase) To have "skin in the game" is to have incurred risk (monetary or otherwise) by being involved in achieving a goal. In the phrase, "skin" is a synecdoche for the person involved, and "game" is the metaphor for actions on the field of play under discussion. The aphorism is particularly common in business, finance, and gambling, and is also used in politics. The origin of the phrase is unknown. It has commonly been attributed to Warren Buffett, referring to his own investment in his initial fund. However, William Safire refutes Buffett