TE stands for Time Elixirs. At this point and in time, it's changed having two different types of TE's and Pots (Potions). They are either Personal (untradeable) and will have a (P) stated after it or just a TE or Pot with nothing after. They also have color differences as well. depending on the event that is out or not, TE would be popular and the price would be increased or Pots would.