open-minded (adj.)youdaoicibaDictYouDict[open-minded 词源字典]
also openminded, open minded, 1828, first recorded in Carlyle; from open (adj.) + minded. Figurative use of open (adj.) with reference to hearts, hands, etc. is from early 15c. Related: Open-mindedly; open-mindedness.[open-minded etymology, open-minded origin, 英语词源]