出典:Wiktionary
出典:『Wiktionary』 (2025/11/08 22:11 UTC 版)
From ex- (“out”) + rūgō (“to wrinkle, to crease”). The root is denominal of Latin rūga (“crease, fold, plait, wrinkle, corrugation”).
ērūgō (present infinitive ērūgāre, perfect active ērūgāvī, supine ērūgātum); first conjugation
ērūgō (present infinitive ērūgere, supine ērū̆ctum); third conjugation, no perfect stem