Where does “Ziemba” come from?

Ziemba (English) comes from Polish Ziemba, from Polish Zięba, from Proto-Slavic zęba.

Ancestry of “Ziemba”, step by step

Step	Language	Word	Meaning
1	Polish	Ziemba	—
2	Polish	Zięba	—
3	Proto-Slavic	zęba	—