estornudar
sneeze
storm
a violent disturbance
+
-ar
verb suffix
Estornudar means to sneeze. You can remember it by thinking of a storm0 in your nose, causing a violent disturbance0 (sneeze), plus the -ar1 verb ending1.
verb
  1. sneeze
    To expel air from the lungs through the nose and mouth in a sudden, involuntary action
    Cuando hay polvo, suelo estornudar mucho. // When there's dust, I tend to sneeze a lot.