Thats like asking the word Asia uses for good morning. There are thousands of ways. What country in Africa? In South Africa they probibly use good morning too ;)
The African Luhya term for the English word "morning" is 'asubuhi'.
Good morning is not a compound word.
There are MANY languages spoken in Africa, not just one "African" language. So you would have to ask what the word is in a particular language of Africa.
The Igbo word for good morning is "Ẹhihie."
Mwadzuka bwanji?- Good morning/how are you this morning? Kwacha bwanji?- How was the sunrise at your house this morning?
Good morning is not a compound word.
You say Good morning in Kisii language of the African origin as Bwakire.
In Tuvaluan, "good morning" is translated as "Mauri" or "Mauri, good morning".
Good morning = Selamat pagi
"Suprabhat" is the word for "good morning" in Rajasthani.
The Italian word "buongiorno" means "good morning" in English.
In Butuanon, the translation for "good morning" is "maayong buntag."