stash (v.)youdaoicibaDictYouDict[stash 词源字典]
"to conceal, hide," 1797, criminals' slang, of unknown origin, perhaps a blend of stow and cache. Related: Stashed; stashing.[stash etymology, stash origin, 英语词源]
stash (n.)youdaoicibaDictYouDict
"hoard, cache," 1914, from stash (v.). Slang sense of "personal supply of narcotics" is from 1942.