ɔ̄ character /ɔ̄/ spelling unconfirmed
Ɔ̄ (uppercase)
Definitions
  1. The letter ⟨Ɔ⟩ with mid tone (not usually marked overtly) letteruncommon
Source: Wiktionary, where this word is spelled “ɔ̄”. Reference: en-ɔ̄-yo-character-1k8m25WZ