錆びる

さびる · sabiru · JLPT N2 · verb-ichidan

to rust

🔩 錆 = 金 (metal) + 青 (blue-green crust); 錆びる = metal gets that crust, to rust

錆 is written with 金 (metal) as its radical, so the kanji flags metal. 錆びる adds the verb ending びる, turning the noun 'rust' into 'to rust'.

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