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Classic usage
Reading level: hard
Estimated CEFR level: C2 — Proficiency
Estimated from word frequency; not an official CEFR classification.
From chrono- (“relating to time”) + -logy (“study of, account of”), after New Latin chronologia from Ancient Greek χρόνος (khrónos, “time”) + λόγος (lógos, “reason, explanation”). Literally "time reason" in Modern Greek.
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Classic usage
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