U+20D4 "⃔" Combining Anticlockwise Arrow Above Unicode Character

U+20D4 "⃔" Combining Anticlockwise Arrow Above is a combining diacritical mark designed to be placed over a preceding base character in digital text. It appears as a small anticlockwise or counterclockwise arrow positioned above the character it modifies, and it is primarily used in phonetic, mathematical, or linguistic contexts to indicate a specific rotation, return, or reversal of sound or meaning, such as in the transcription of certain tone patterns or retroflex articulations.