More often than not the things that turn up in my research on Tolkien remain unused because, while I intuit a connection, there is no way it can be proved. The above ancient Assyrian riddle is a case in point. It is found in A.H. Sayce’s Assyria: Its Princes, Priests, and People (1893). Together with John Rhys (Professor of Celtic), Sayce was one of Max Müller’s Oxford lieutenants, and his work was most certainly known by Tolkien.
I’ve drawn a dividing line separating the two parts of the riddle. It seems to me that the first part is another way of saying ‘hole’ – as in the structure, either above ground (Beorn, you and me), underground (hobbits, goblins, elves) or on the water (men of Lake-town) in which we live, while the second part is another version of Gollum’s riddle:
Voiceless it cries,