self-homicide

In general, whenever a paramount interest of human nature is at stake, a suicide which maintains that interest is self-homicide: but, for a personal interest, it becomes self-murder.

Note Book of an English Opium-Eater Thomas De Quincey 1822

Simply to kill a man is not murder: _prima facie_, therefore, there is some sort of presumption that simply for a man to kill himself -- may not always be so: there is such a thing as simple homicide distinct from murder: there may, therefore, possibly be such a thing as self-homicide distinct from self-murder.

Note Book of an English Opium-Eater Thomas De Quincey 1822

a fellow-creature, but, according to the circumstances of the case, pronounce his act either murder, or manslaughter, or justifiable homicide; so by parity of reason, suicide is open to distinctions of the same or corresponding kinds; that there may be such a thing as self-homicide not less than self-murder -- culpable self-homicide

Theological Essays and Other Papers — Volume 1 Thomas De Quincey 1822