lodestar

Etymology

From Middle English lode (“journey, course”) + star, where lode is an archaic noun from the verb lithe (“to go, journey”), related to lead. Other Middle English spellings include: 14th century loode sterre, lood-sterre, lade-sterne; and 15th century lode sterre. Cognate with Old Norse leiðarstjarna, Dutch leidster, German Leitstern, Danish ledestjerne, Swedish ledstjärna.