服を脱いだ
解説 Definition
undressed は undress（服を脱ぐ、服を脱がせる）の過去形・過去分詞です。自分の服を脱いだ場合にも、他人の服を脱がせた場合にも使います。
The past tense and past participle of undress, meaning that someone removed their own clothes or removed another person’s clothes. The intended object, when present, shows who was helped or caused to become unclothed.
覚え方のコツ Memory Tip
un- を「身に着けた状態を取り除く」と捉えましょう。undress に -ed を付けた形で、語末の /s/ の後では -ed を /t/ と読み、全体は /ʌnˈdrɛst/ になります。
Think of un- as removing the dressed state. Add -ed to undress; after /s/, the ending sounds like /t/, giving /ʌnˈdrɛst/ without an extra syllable.
例文
He undressed quickly and put on his pajamas.
彼はすばやく服を脱いでパジャマを着ました。
The nurse undressed the patient carefully before the examination.
看護師は診察の前に、患者の服を慎重に脱がせました。
undressed の類義語・関連語
undressed の語源・成り立ち Etymology
un-（除去）とdress（整える・着る）で構成。dressは古仏語を経てラテン語directusに由来し、元々「直線に整える」意味でした。衣服を「形に整えて着る」ことへ転じ、接頭辞により「整えた状態を解く＝脱ぐ」と納得の語義に発展。direct（向ける）などが同語根です。
Undressed is formed from undress and the past-tense suffix -ed. Undress combines the reversing or removing prefix un- with dress. Dress entered English through Old French from a Latin source associated with directing or setting something straight. Its English senses developed from arranging or preparing to putting clothes on; adding un- therefore produced the opposite action, removing clothes or taking off a dressing.
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