U+1CF18 "𜼘" Znamenny Combining Mark Tsata S Kryzhem Unicode Character

U+1CF18 "𜼘" Znamenny Combining Mark Tsata S Kryzhem is a combining mark used in the Znamenny notation system, a medieval form of musical notation developed for Slavic liturgical chant, particularly within the Russian Orthodox tradition. This specific mark, whose name translates to "Tsata with a Cross," is placed above a neume to indicate a specific rhythmic or melodic ornamentation, often involving a subtle delay or stylistic emphasis in the performance of the chant. It forms part of a larger set of supplementary signs that refine the interpretation of the primary neume shapes, helping to preserve the precise vocal traditions of Znamenny chant as transmitted through centuries of manuscript culture.