On 1/13/06, Jonathan Lighter <wuxxmupp2000 at yahoo.com> wrote: > > If the -o of "pinko" (n.) is the same as that of "weirdo," "cheapo," etc., and similar > nouns, it seems to me to be the earliest in English. > > I'll admit I haven't checked caerfully. But this is certainly my impression. "Wino" dates to 1915 (OED2, MWCD11). --Ben Zimmer