A Greek manuscript of the Etymologica preserved in the Bibliothèque Nationale de France, Paris, Département des Manuscrits, was copied in the 13th century over a latin liturgical palimpsest. This ancient manuscript, still unknown, can be dated, according to its decoration, and repertory, from the 10 th century. It comes from the Turin (Italy) country, which is testified by the celebration of the saints Solutor, Adventor and Octavius (f. 177v). With 48 folios, it contains a Gradual, a Responsorial, and an Antiphonary. The sanctoral of the Gradual is completed by a Table which features on each line a dated feast and its chant incipits, 75 feasts of the whole year are copied there in 3 folios. The Antiphorary is distinct of the Responsorial, according to the Old Roman use. The musical notation is fine, light, thin, and precise, including special neumes of Novalesa. But the general aspect of the neumes is less uplifted than other italian neumes. The gregorian repertory and the notation show a close kinship with their French and Italian neighbours. It is a very beautiful testimony of the earlier organisation and musical writing of the liturgical latin repertories.