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Lucifer is Latin. It means "light-bearer". In origin, before ever being used in the Vulgate translation of the Bible, it was simply the Roman translation of the Greek name Phosphoros (Φωσφόρος), also "light-bearer", as the personification of the planet Venus as the morning star, distinct from Vesper/Hesperos (Ἕσπερος), the name given to Venus as the evening star - and both entirely unrelated to the goddess Venus/Aphrodite.

Classical languages were applied rather haphazardly to the scriptures.