Word Origin & History. aphorism 1520s (especially in ref. to the Aphorisms of Hippocrates), from M.Fr. aphorisme, from L.L. aphorismus, from Gk. aphorismos definition, pithy sentence, from aphorizein to mark off, divide, from apo- from + horizein to bound..
Fatigue and Shortness of breath. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms fatigue and shortness of breath including Heart rhythm disorder, Anemia, and Medication reaction or side-effect.
A multitude of conditions can cause shortness of breath. However, the most common causes of severe breathing problems include: 1  Infection of the lungs, such as bronchitis, pneumonia, and tuberculosis. 2  Asthma. 3  COPD. 4  Heart failure.