What's the difference between i.e. and e.g.?
c.1600, from Latin connivere, also conivere "to wink," hence, "to wink at (a crime), be secretly privy," from com- "together" (see com-) + base akin to nictare "to wink," from PIE root *kneigwh- (see nictitate). Related: Connived; conniving.