"respiratory disorder characterized by paroxysms of labored breathing and a feeling of contraction in the chest," late 14c., asma, asma, from Latin asthma, from Greek asthma "shortness of breath, a panting," from azein "breathe hard," probably related to anemos "wind," from PIE root *ane- "to breathe" (see animus). The -th- was restored in English 16c.
astern
asteroid
asthenia
asthenic
asthenosphere
asthma
asthmatic
astigmatic
astigmatism
astir
astonish