dispersed is a form of:

Disperse



verb
1.
(TRANSITIVE) (to scatter, to go or drive or send in different directions, to dispel (mist, etc), to break up (light), to move in different directions) disperse a crowd ធ្វើអោយបែកខ្ញែករប៉ាត់រប៉ាយ
Example: Police dispersed the mob, The crowd after the meeting.disperse fog កម្ចាត់, ធ្វើអោយទៅបាត់ disperse knowledge ចែក
2.
(បច្ចេកទេស) បំបែកហ្វូង