eroding
浸食する
解説 Definition
eroding は erode（浸食する、少しずつ削る）の現在分詞・動名詞です。水や風が土や岩を削る場合に使われ、比喩的に信頼や価値が徐々に失われる場合にも使われます。
Eroding is the present participle or gerund of erode. It describes water, wind, chemicals, or other forces gradually wearing away a surface, and can also describe confidence, trust, value, or support being slowly weakened.
覚え方のコツ Memory Tip
erodingは原形erodeの語末eを落として-ingを付けた現在分詞・動名詞で、発音は「イロウディング」に近く、語中の/d/音を保ちます。water is eroding a bankのように水や風が表面を少しずつ「かじる」場面を核にし、信頼などが徐々に損なわれる比喩用法にも広げて覚えます。
Eroding is formed by dropping the final silent e of erode and adding -ing. Keep the /d/ sound before the ending. Imagine rainwater or a river slowly biting pieces from a path or bank; this matches the word’s historical connection with Latin rodere, “to gnaw.” The process is gradual, unlike a sudden break or collapse. The same image works figuratively: repeated dishonesty may be eroding trust, meaning that trust is being weakened little by little rather than disappearing at once.
例文
Rainwater is eroding the path behind the house.
雨水が家の裏の小道を浸食しています。
The river kept eroding the soft bank after the storm.
嵐の後、川は柔らかい土手を浸食し続けました。
Strong winds are eroding the surface of the old stone wall.
強い風が古い石壁の表面を少しずつ削っています。
eroding の類義語・関連語
類義語
紛らわしい語
eroding の語源・成り立ち Etymology
ラテン語のerodereに由来し、接頭辞e-（外へ）とrodere（かじる）から成ります。文字通り「外側へかじり取る」様子から、水や風が地形を少しずつ削る「浸食する」という意味が定着しました。同語根を持つ関連語にrodent（齧歯類）やcorrode（腐食させる）があります。
Eroding consists of erode and the suffix -ing, with the final silent e removed. Erode comes from Latin erodere, formed from e- or ex-, “out,” and rodere, “to gnaw.” The literal image is of material being gnawed away from a surface. This developed into the geological sense of gradual wearing by water or wind and later into figurative uses involving trust or value. Rodent and corrode contain the same Latin root.
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