grievance
a complaint about harm or unfair treatment
Root
- grav / gravis: heavy, weighty, serious, or burdensome
Other words with the grav / gravis root
A grievance is a harm or burden serious enough to be named as a complaint.
The workers filed a grievance after the rule was applied unfairly.
Grievance is related to grief and gravity through heaviness. The word is not a casual annoyance; it is a wrong that weighs on someone enough to be formally raised.