dus mchod

དུས་མཆོད
periodic offerings, funeral ceremonies, death anniversary, offering presented on prescribed occasions, memorial service, religious service observed at certain prescribed periods, funeral ceremonies, religious ceremonies observed at death and death anniversaries [JV]

a puja done at certain periods; memorial service, fixed days for ceremonies, prescribed religious service, ceremony, excellent time [RY]

memorial service, fixed days for ceremonies, religious ceremony having a fixed time, excellent time [IW]