noun, masculineplural: bissêtres
bissêtre is masculine in French.
misfortune, woe, misery, misadventure
“Eh bien ! Ne voilà pas mon enragé de maître ! Il nous va faire encor quelque nouveau bissêtre.” — Well! Isn't it my rabid master! He's yet about to make us go through some new mishap.
Inherited from Old French besistre, Late Latin bisextus (“intercalary day”); so called because intercalary days were seen as portending misery.