Gin(i) (Zingi/Sim) + Fer (Ver/Ber/Fill in various languages).
"Fer" relates to fire or light. Possibly to color in this inctance. Check Feridun as important example.
"Gin" possibly relates to Sun. Possibly related to the word "Zenji" used to refer black people in Middle East and Turkey. Relates to Sun. Related to Western parts of African continent. (Sea of Zanj possibly names so because Sun wents up from it.)
Arabic word for Elephant is “fil” probably because it is filled. Similarly Turkish word for ginger is also of Arabic origin.