出典:Wiktionary
出典:『Wiktionary』 (2026/03/31 16:25 UTC 版)
From 中期英語 rigour, from Anglo-Norman, from Old French rigor, from Latin rigor (“stiffness, rigidity, rigor, cold, harshness”), from rigere (“to be rigid”). Compare French rigueur.
rigour (countable and uncountable, plural rigours)