氾濫

はんらん · hanran · JLPT N1 · noun

overflowing

🌊 汎 (flood) + 濫 (overflow): 氾濫 is a river overflowing its banks, so think 'han-ran' as 'flood-run'

Both kanji say flood or overflow, so the compound doubles the sense. はんらん sounds like 'han-ran', like a hand-ran (ran) out of a river's banks.

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