Where does “bába” come from?

bába (Czech) comes from Old Czech [[bába]], [[baba]], from Proto-Slavic baba, from Proto-Balto-Slavic bā́ˀbāˀ — old woman.

bába (Czech): An old woman, a crone

Definitions

Step	Language	Word	Meaning
1	Old Czech	[[bába]], [[baba]]	—
2	Proto-Slavic	baba	old woman; grandmother; midwife
3	Proto-Balto-Slavic	bā́ˀbāˀ	old woman

bába — Etymology, Origin & Word History | Etymology Explorer