Where does “Kikongo” come from?

Kikongo (English) comes from Kongo ki-, from Proto-Bantu kɪ̀- — Class 7 noun prefix.

Ancestry of “Kikongo”, step by step

StepLanguageWordMeaning
1Kongoki-class 7 prefix
2Proto-Bantukɪ̀-Class 7 noun prefix
Every word from Proto-Bantu kɪ̀-Every word from Kongo ki-