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出典:Wiktionary
出典:『Wiktionary』 (2026/05/01 03:05 UTC 版)
Calque from Japanese 亀(きっ)甲(こう)括(かっ)弧(こ) (kikkōkakko, literally “tortoise shell bracket”), due to their resemblance to the shell of a tortoise. By surface analysis, tortoise shell + bracket.
tortoise shell bracket (plural tortoise shell brackets)
tortoise shell bracket