What's the difference between i.e. and e.g.?
1670s, from genitive of bee + wax. As a jocular alteration of business (usually in an injunction to someone to mind his own) attested from 1934 in Lower East Side slang as reproduced in Henry Roth's "Call It Sleep."
Business; concern: If they did, that's theirown beeswax (1940s+)