preference (n.)youdaoicibaDictYouDict[preference 词源字典]
mid-15c., "advancement in position or status;" 1650s as "act of prefering," from Middle French preference (14c., Modern French préférence), from Medieval Latin preferentia, from past participle stem of Latin praeferrere (see prefer). Sense of "that which one prefers" is from 1852.[preference etymology, preference origin, 英语词源]