softball (n.)youdaoicibaDictYouDict[softball 词源字典]
baseball of larger than usual size, used in a scaled-down version of the game, 1914, from soft + ball (n.1). The game itself so called from 1916, also known as playground baseball. The word earlier was a term in sugar candy making (1894). Softball question, one that is easy to answer, is attested from 1976.[softball etymology, softball origin, 英语词源]