Saltire (Wikipedia) A saltire, also called Saint Andrew’s Cross or the crux decussata, is a heraldic symbol in the form of a diagonal cross. The word comes from the Middle French sautoir, Medieval Latin saltatoria (“stirrup”).
A man may fish with the worm that hath eat of a king, and eat of the fish that hath fed of that worm. William Shakespeare, Hamlet (c. 1600-02), Act IV, scene 3