corroborated
裏付けられた
解説 Definition
corroborated は corroborate（裏付ける、確証する）の過去形・過去分詞です。証言、証拠、資料などが別の情報を支え、「裏付けられた」と言うときに使われます。
The past tense and past participle of corroborate, meaning supported or confirmed by independent evidence, testimony, or records that make a statement, report, or claim more credible.
覚え方のコツ Memory Tip
原形 corroborate の語末 e を落として -ed を付けた過去形・過去分詞で、末尾は /reɪt/ から /reɪtɪd/ へ変わります。be corroborated by evidence、records、witnesses の形で、主張が独立した証拠によって「さらに強くされた＝裏付けられた」と覚えましょう。
Corroborated is the past tense and past participle of corroborate. The final silent e is dropped before -ed, and the ending is pronounced /ɪd/ after the final /t/, changing the end from /reɪt/ to /reɪtɪd/. Link the word with the idea of making a claim stronger by adding independent support. Typical passive patterns are was corroborated by witnesses, records, or new evidence. Unlike merely repeating a story, corroborating it supplies separate information that agrees with it and increases its credibility. That “strengthened by supporting evidence” image is the most useful memory anchor.
例文
Her story was corroborated by two witnesses.
彼女の話は二人の目撃者によって裏付けられました。
The report was corroborated by official records.
その報告は公式記録によって裏付けられました。
His claim was later corroborated by new evidence.
彼の主張は後に新しい証拠で裏付けられました。
corroborated の類義語・関連語
corroborated の語源・成り立ち Etymology
corroborated は corroborate の過去分詞で、語源はラテン語 corroborare「強くする」です。cor-（com-「ともに・徹底的に」）+ robor-「強さ・樫材」から成り、証拠で話を強化するので「裏付ける」となり、robust も同系です。
Corroborated is formed from corroborate by replacing final silent e with -ed. Corroborate comes from Latin corroborare, “to strengthen,” built from an intensive form of com- and robur, meaning strength or oak. English developed the evidential sense from the idea that additional testimony or facts make a statement stronger. Robust is historically related through the Latin family of robur, although it followed a different route into English.
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