One of the great joys of teaching online is the magnificent encounter with strangers. One of my pair of students is a philosopher and a linguist from one of the best universities in the world. I thoroughly enjoy every single one of the class because of how utterly intriguing their questions are. Recently the philosopher asked me about the functions of the Indonesian prefix ter-. When paired with a verb, there are three main functions of this prefix: Stative: it describes a state or a situation as it is Buku ini terletak di meja. The book lies on the table. (the…