How do they say grandmother in Yoruba?

The word for grandmother in Yoruba is "Iya agba" (pronounced ee-ya ahg-bah).

It literally translates to "old mother."

Here's a breakdown:

* Iya: Mother

* Agba: Old, elderly

So, "Iya agba" means "old mother" or "elderly mother," which is the common way to refer to a grandmother in Yoruba.