ʅ

Etymology

 * Created by Karlgren, from ɿ|$⟨ɿ⟩$ plus a retroflex tail, which was originally a detail of italic typeface; Y. R. Chao made the terminal a more pronounced hook to better match the IPA alphabet.

Symbol

 * 1)  Used as a Sinologist symbol representing an apical retroflex unrounded vowel,.