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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From Latin and New Latin hippopotamus, from Ancient Greek ἱπποπόταμος (hippopótamos), from ἵππος (híppos, “horse”) (English hippo-) + ποταμός (potamós, “river”). Displaced nicker, from Old English nicor.
hippo, river horse, Hippopotamus amphibius
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Classic usage
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