disperse (v.)youdaoicibaDictYouDict[disperse 词源字典]
late 14c., from Latin dispersus, past participle of dispergere "to scatter," from dis- "apart, in every direction" (see dis-) + spargere "to scatter" (see sparse). The Latin word is glossed in Old English by tostregdan. Related: Dispersed; dispersing.[disperse etymology, disperse origin, 英语词源]