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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Middle French philtre, from Ancient Greek φίλτρον (phíltron), from φιλέω (philéō, “to love”). Doublet of philtrum.
philtre, love-potion, love-philter, love-philtre
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Classic usage
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