Wiktionary
thanatocracy
n. 1 nominal governance by a dead person, through posthumous holding of an official position of authority, or by popular veneration and lasting influence of a personal ideology. 2 The enactment of mass and organized killing as an official policy of a state. 3 The enactment of policies held to lead, directly or indirectly, to death or an increased risk of death. 4 A culture in which rituals relating to the dead play a unique or important role. 5 (context figuratively English) Endemic stagnation or decay.