imprudence (n.)youdaoicibaDictYouDict[imprudence 词源字典]
early 15c., "quality of rashness or heedlessness; imprudent act," from Latin imprudentia "lack of foresight, inconsiderateness, ignorance, inadvertence," noun of quality from imprudens (see imprudent).[imprudence etymology, imprudence origin, 英语词源]