Sciamachy is a fight with imaginary attackers.
An example of sciamachy is a bipolar person having a psychotic episode and imagines they are being ambushed.
a fighting with shadows or imaginary enemies
Origin of sciamachyClassical Greek skiamachia ; from skia, shadow (see shine) + machein, to fight (see -machy)
Greek ÏƒÎºÎ¹Î±Î¼Î±Ï‡Î¹Î±, from ÏƒÎºÎ¹Î± "˜shadow' + Î¼Î±Ï‡Î· "˜battle'.