This is the 6104th most frequent Arabic word.
وماذا
"And what" or "What about."
It is used here as an interrogative phrase meaning 'And what' to specify a question about someone's response.
وماذا قلت له عندما رأيته؟
And what did you say to him when you saw him?
It is used here to introduce a conditional situation or hypothesis, meaning 'And what if'.
كنت أفكر في الطرق الجديدة، وماذا لو جربنا واحدًا منها؟
I was thinking about new methods, and what if we tried one of them?
It is used here as a continuation of an inquiry, often specifying or elaborating on a previous question.