- lodestar (n.)
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[lodestar 词源字典] - late 14c. (late 13c. as a surname), an old name for the pole star (compare Old Norse leiðarstjarna) as the star that "leads the way" in navigation; from lode (n.) + star (n.). Figurative use from late 14c.[lodestar etymology, lodestar origin, 英语词源]