sanity
意味
- 正気,気の確かさ;
- (考え方・判断などの)健全さ,穏健さ《+of+名》
語源
英語の原文（Wiktionary）
From Middle English sanite, sanyte, sanytee, from Middle French sanité, from Latin sānitās, from sānus (“healthy”) + -itās (“-ity”). By surface analysis, sane + -ity.
From Middle English sanite, sanyte, sanytee, from Middle French sanité, from Latin sānitās, from sānus (“healthy”) + -itās (“-ity”). By surface analysis, sane + -ity.