thanatology
Academic field studying death, dying, and bereavement from medical, psychological, and social perspectives.
Thanatology is a field that studies death and the dying process from an interdisciplinary perspective.
Compound of 死生 (しせい, 'life and death') + 学 (がく, 'study'). The exact historical derivation is uncertain; the term is a modern academic coinage corresponding to English 'thanatology'.