uphold (v.)youdaoicibaDictYouDict[uphold 词源字典]
c. 1200, "support, sustain," from up (adv.) + hold (v.). Similar formation in Old Frisian upholda, Middle Dutch ophouden, German aufhalten. Meaning "maintain in good condition or repair" is from 1570s. Related: Upheld; upholding.[uphold etymology, uphold origin, 英语词源]