blank (v.)youdaoicibaDictYouDict[blank 词源字典]
1540s, "to nonplus, disconcert, shut up;" 1560s, "to frustrate," from blank (adj.). Sports sense of "defeat (another team) without allowing a score" is from 1870. Meaning "to become blank or empty" is from 1955. Related: Blanked; blanking.[blank etymology, blank origin, 英语词源]