ish (1)youdaoicibaDictYouDict
"To some extent", 1980s: from -ish1.
ish (2)youdaoicibaDictYouDict
"An issue of magazine, journal, etc", 1940s: informal abbreviation of issue.
ish (3)youdaoicibaDictYouDict
"Used as a euphemism for ‘shit’", 1990s: alteration of shit.