forethought (n.)youdaoicibaDictYouDict[forethought 词源字典]
early 14c., "a thinking beforehand, the act of planning," verbal noun from forethink "think of something beforehand," from Old English foreþencan "to premeditate, consider;" see fore- + think. Meaning "prudence, provident care" is from 1719.[forethought etymology, forethought origin, 英语词源]