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出典:Wiktionary
出典:『Wiktionary』 (2026/03/17 02:21 UTC 版)
From 中期英語 sik, sike, seek, seke, seok, from 古期英語 sēoc (“sick, ill”), from Proto-West Germanic *seuk, from Proto-Germanic *seukaz, from Proto-Indo-European *sewg- (“to be troubled or grieved”).
See also West Frisian siik, Dutch ziek, German siech, Norwegian Bokmål syk, Norwegian Nynorsk sjuk, Danish syg; also Middle Irish socht (“silence, depression”), Old Armenian հիւծանիմ (hiwcanim, “I am weakening”).
The "very good, excellent" sense is an ameliorative semantic shift from the original sense of "in poor health". Compare similar semantic development in terrific and wicked.
sick (comparative sicker, superlative sickest)
sick (uncountable)
sick (third-person singular simple present sicks, present participle sicking, simple past and past participle sicked)
sick (third-person singular simple present sicks, present participle sicking, simple past and past participle sicked)
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