tap / space
Classic usage
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
Clippings of various words, based on their shared prefix cath-, primarily from Ancient Greek κᾰθ’ (kăth’), κᾰτᾰ́ (kătắ, whence English cata-); the cath- in cathinone is from Catha, the genus name of Catha edulis, a Latinization of Arabic قات (qāt), the plant's native name (whence English khat).
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tap / space
Classic usage
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