Ọ̄ character /ɔ̄/ spelling unconfirmed
ọ̄ (lowercase)
Definitions
  1. The letter ⟨Ọ⟩ with mid tone (not usually marked overtly) Nigerialetteruncommon
Source: Wiktionary, where this word is spelled “Ọ̄”. Reference: en-Ọ̄-yo-character-f3Zh7zJS