Orb

Chamber's Etymological of the English Language · 1895 · p. 581

orb, n. the world. Ore, ork, «. a kind of whale. [L. area Orient, O'ri-ent, ndj. splendid. Overwatoh o-v£r-woch', v to watch or keep awake overmuch. Pale, pal, «. palene .