Ẹ̄ character /ɛ̄/ spelling unconfirmed
ẹ̄ (lowercase)
Definitions
  1. The letter ⟨Ẹ⟩ with mid tone (not usually marked overtly) Nigerialetteruncommon
Source: Wiktionary, where this word is spelled “Ẹ̄”. Reference: en-Ẹ̄-yo-character-757UAyNQ