From Wiktionary, the free dictionary
From ọmọ Èwí (“Child of Èwí (ruler and founder of Ado Ekiti)”).
Ọmọèwí
- A nickname given to people from the town of Ado Ekiti, from the oríkì of the town
- A female oríkì name., given to someone from the town of Ado or who's lineage comes from Ado