What we call peddamma in English?

"Peddamma" is a Telugu word, and there isn't a direct English equivalent. It is a term of endearment for "grandmother" in Telugu.

Here are some possible English translations depending on the context:

* Grandmother: This is the most common and literal translation.

* Grandma: This is a more informal and friendly version.

* Nana: This is another common term used for grandmother, particularly in some parts of the US.

It's important to consider the specific context of the use of "Peddamma" to choose the best translation.