U+1CF04 "𜼄" Znamenny Combining Mark Nizko on Left Unicode Character

U+1CF04 "𜼄" Znamenny Combining Mark Nizko on Left is a diacritical mark used within the Znamenny notation system, a neumatic musical notation tradition primarily associated with the liturgical chants of the Russian Orthodox Church. This specific combining mark indicates a low or "nizko" pitch placement on the left side of a neume, serving as a guide for singers to adjust the relative melodic contour of a chant. It functions as a visual modifier attached to base musical symbols, helping to preserve the precise intervallic relationships and performance practices of this historical Slavic plainchant repertoire.