出典:Wiktionary
出典:『Wiktionary』 (2025/08/01 17:16 UTC 版)
From 中期英語 thickenen, thikkenen, perhaps from Old Norse þykkna (“to thicken”); equivalent to thick + -en. Cognate with Swedish tjockna (“to thicken”), Icelandic þykkna (“to thicken”).
thicken (third-person singular simple present thickens, present participle thickening, simple past and past participle thickened)
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