Where does “Ikko” come from?

Ikko (Hausa) comes from Yoruba ẹ̀kọ́, from Yoruba ẹ̀-.

Ancestry of “Ikko”, step by step

Step	Language	Word	Meaning
1	Yoruba	ẹ̀kọ́	—
2	Yoruba	ẹ̀-	—