cough
verb
[ kɒf ]
• expel air from the lungs with a sudden sharp sound.
• "he tried to speak and started to cough"
cough
noun
• an act or sound of coughing.
• "she gave a discreet cough"
Origin:
Middle English: of imitative origin; related to Dutch kuchen ‘to cough’ and German keuchen ‘to pant’.