There seem to be at least three different idiomatic expressions containing "what say".
My questions:
First, is there any other expression containing "what say" than these three?
Second, are these expressions not related to each other?
---
(1)
What say you? (= What do you say?): Used to asking someone's opinion.
Link:
http://www.learnersdictionary.com/blog.php?action=ViewBlogArticle&ba_id=105 (2)
What say? (= What did you say?): Used to asking again what others already said.
Link:
http://idioms.thefreedictionary.com/What+say%3F (3)
What say S + V? (= What do you say S + V?): Making a suggestion.
What say you and I take a little drive tonight?What say you leave me alone?