i.e. and e.g. are two Latin abbreviations that are verrry often confused.
i.e. stands for id est, “that is” and stands for “in other words” : Three items usually make up silverware, i.e. spoon, fork and knife.
e.g. is short for exempli gratia and precedes an example: the laddle should not be used to eat liquid meals, e.g. soup, broth or Gatorade.
etc. is used in the same way as ellipses, and as such, the two should never be used in conjunction, except in this context, “Frequent Latin derived abbreviations are i.e., e.g., etc….”