nutshell
意味
- (クルミなどの)殻(から)
語源
英語の原文（Wiktionary）
From Middle English notschelle, from Old English hnutsċiell, from Proto-West Germanic *hnutskallju, equivalent to nut + shell. Cognate with Saterland Frisian Nuteskele, Nuteskil (“nutshell”), Dutch notenschaal (“nutshell”), German Nussschale (“nutshell”).