It's the evil of the sailor, bad ship or ship. Suffering suffered by some people when riding on any ship (ship or plane). Dizziness, vertigo.
In medicine is the "bad sea" , dizziness with nausea suffered by some sailors at sea. The name consists of the Greek voices 957; 945; 965; 962; ( naus "ship" ) 960; 945; 952; 959; 962; ( pathos "illness, feeling, life experience" ).
Naupathy : Dizziness .