anon (adv.)youdaoicibaDictYouDict[anon 词源字典]
late Old English anon, earlier on an, literally "into one," thus "continuously; straightway (in one course), at once;" see one. By gradual misuse, "soon, in a little while" (1520s). A one-word etymological lesson in the enduring power of procrastination.[anon etymology, anon origin, 英语词源]