E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
had a sword and cloak given him by his grandfather, which brought good luck to their possessors. After this present everything prospered with him. He gave the spear to Asgrim and cloak to Gizur the White, after which cloak to Gizur the White, after which everything went wrong with him. Old and blind, he retained his cunning long after he had lost his luck. (The Nials Saga.)
To look glum. To look dull or moody. (Scotch, gloum, a frown; Dutch, loom, heavy, dull; Anglo-Saxon, glm, our gloom, gloaming, etc.)