Necrophilia, also called thanatophilia or necrolagnia, is the sexual

Human sexuality

Human sexuality is the awareness of gender differences, and the capacity to have erotic experiences and responses. Human sexuality can also be described as the way someone is sexually attracted to another person whether it is to opposite sexes , to the same sex , to either sexes , or not being...

 attraction to corpses

Cadaver

A cadaver is a dead human body.Cadaver may also refer to:* Cadaver tomb, tomb featuring an effigy in the form of a decomposing body* Cadaver , a video game* cadaver A command-line WebDAV client for Unix....

,It is classified as a paraphilia

Paraphilia

Paraphilia is a biomedical term used to describe sexual arousal to objects, situations, or individuals that are not part of normative stimulation and that may cause distress or serious problems for the paraphiliac or persons associated with him or her...

 by the Diagnostic and Statistical Manual of the American Psychiatric Association

American Psychiatric Association

The American Psychiatric Association is the main professional organization of psychiatrists and trainee psychiatrists in the United States, and the most influential worldwide. Its some 38,000 members are mainly American but some are international...

. The word is artificially derived from the ancient Greek words: νεκρός (nekros; "dead") and φιλία (philia; "love"). The term appears to have originated from Krafft-Ebing

Richard Freiherr von Krafft-Ebing

-Bibliography :* Heinrich Ammerer: Am Anfang war die Perversion. Richard von Krafft-Ebing, Psychiater und Pionier der modernen Sexualkunde. Styria premium 2011 in der Verlagsgruppe Styria GmbH & Co KG, Wien-Graz-Klagenfurt, ISBN 978-3-222-13321-3....

's 1886 work Psychopathia Sexualis.

Rosman and Resnick (1989) reviewed information from 34 cases of necrophilia describing the individuals' motivations for their behaviors: these individuals reported the desire to possess an unresisting and unrejecting partner (68%), reunions with a romantic partner (21%), sexual attraction to corpses (15%), comfort or overcoming feelings of isolation (15%), or seeking self-esteem by expressing power over a homicide victim (12%), or not interested in conversation(5%).
Herodotus

Herodotus

Herodotus was an ancient Greek historian who was born in Halicarnassus, Caria and lived in the 5th century BC . He has been called the "Father of History", and was the first historian known to collect his materials systematically, test their accuracy to a certain extent and arrange them in a...

 writes in The Histories

Histories (Herodotus)

The Histories of Herodotus is considered one of the seminal works of history in Western literature. Written from the 450s to the 420s BC in the Ionic dialect of classical Greek, The Histories serves as a record of the ancient traditions, politics, geography, and clashes of various cultures that...

 that, to discourage intercourse with a corpse, ancient Egypt

Egypt

Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

ians left deceased beautiful women to decay for "three or four days" before giving them to the embalmers.

In some societies the practice was enacted owing to a belief that the soul of an unmarried woman would not find peace; among the Kachin of Myanmar

Myanmar

Burma , officially the Republic of the Union of Myanmar , is a country in Southeast Asia. Burma is bordered by China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, India on the northwest, the Bay of Bengal to the southwest, and the Andaman Sea on the south....

, versions of a marriage ceremony were held to lay a dead virgin to rest, which would involve intercourse with the corpse.