preponderance (n.)youdaoicibaDictYouDict[preponderance 词源字典]
1680s, "greater weight," from Latin praeponderans, present participle of praeponderare "make heavier" (see preponderate). Sense of "greater importance" is from 1780; that of "greater number" is from 1845.[preponderance etymology, preponderance origin, 英语词源]