undervalue (v.)youdaoicibaDictYouDict[undervalue 词源字典]
1590s, "to rate as inferior in value" (to), from under + value (v.). Sense of "to estimate or esteem too low" is recorded from 1610s. Meaning "to rate at too low a monetary value" is attested from 1620s. Related: Undervalued; undervaluing.[undervalue etymology, undervalue origin, 英语词源]