Tse with long left leg[1] () is an letter of the Cyrillic script. It was used in Old Uslar's Caucasian Alphabets[2] (Old Abkhazian Alphabets). It's form derived from Cyrillic letter Tse (Ц ц), with a long leg (ᴜᴘᴡᴀʀᴅ) at right.
An example image of the Old Abkhazian Alphabet test word with the font "Times New Roman". Sound value:"DJITS'OR"