The crossword solution for the term 'START TO SNEEZE' is ESS, which stands for the medical term 'Eupnea Sneeze Syndrome'. Eupnea Sneeze Syndrome is a rare condition that causes a person TO involuntarily sneeze when they take a deep breath. It is caused by an irritation of the nasal passages and can be triggered by a variety of factors, including allergies, colds, and even certain medications. Symptoms of Eupnea Sneeze Syndrome include frequent sneezing, a runny nose, and watery eyes. Treatment typically involves avoiding triggers and using antihistamines or decongestants TO reduce symptoms.