"At point of entry" refers to the location where something enters or begins. Some synonyms for this phrase include "initial point," "starting point," "entry point," or "point of origin." These phrases can be used to describe a wide range of situations, from discussing the beginning of a journey, to describing where a virus enters the body. These synonyms can be useful in a variety of contexts, such as discussing security protocols or identifying potential points of vulnerability in a system. By using these phrases interchangeably with "at point of entry," speakers can add variety and precision to their language.