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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
The sense of "safeguard" comes from Latin Palladium (the image of Pallas that protected Troy), from Ancient Greek Παλλάδιον (Palládion), from Παλλάς (Pallás), an epithet used before Athena.
Pd, atomic number 46
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Classic usage
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