Might this be an ironic “good”? Or the kind of good that you use when you want to hide what rat bastards you find the King and Queen to be? Or perhaps just a formal good ? The kind of linguistic extra word because it scans well. Like, is King Wenceslas actually good or does it just help the meter when you’re talking about him? Seems like good is the sort of word you add when you’re talking to a king trying to convince him to do something nice for you.