出典:Wiktionary
出典:『Wiktionary』 (2026/06/09 05:28 UTC 版)
From Latin rōborāre (“to strengthen, to confirm”) + -ate (“forming verbs”), from rōbur (“reddish oak; hardness, strength”) + -āre (“forming verbs”).
roborate (third-person singular simple present roborates, present participle roborating, simple past and past participle roborated)