Why is it “feet” and not “foots”?

Here is one for you English grammar buffs. The question was asked on Quora this AM: Why is it “feet” and not “foots”?

Here is one for you English grammar buffs. The question was asked on Quora this AM: Why is it “feet” and not “foots”?

Taken from:
Why is it “feet” and not “foots”?