U+1D61 "ᵡ" Modifier Letter Small Chi Unicode Character

U+1D61 "ᵡ" Modifier Letter Small Chi is a superscript or raised version of the Greek letter chi, used primarily in phonetic transcription systems such as the International Phonetic Alphabet or Americanist phonetic notation to indicate a modified or secondary articulation, often representing a voiceless velar fricative or an aspiration associated with a sound, though its exact function can vary by linguistic context. It serves as a diacritic-like symbol that modifies the pronunciation of an adjacent character.