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Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Borrowed from Latin phthisis, from Ancient Greek φθίσις (phthísis, “consumption, decline, wasting away”), from φθίω (phthíō, “to waste away”).
pulmonary tuberculosis, consumption, wasting disease, white plague
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Classic usage
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