To some people the idea of being buried alive by mistake is the most uncanny thing of all. And yet psycho-analysis has taught us that this terrifying phantasy is only a transformation of another phantasy which had originally nothing terrifying about it at all, but was qualified by a certain lasciviousness -- the WELCOME HOME phantasy, I mean, of intra-uterine existence....
There is a joke saying that 'Love is home-sickness'; and whenever a man dreams of a place or a country and says to himself...: 'this place is familiar to me, I've been here before', we may interpret the place as being his mothers' genitals or her body. In this case too, then, the unheimlich is what was once heimisch, familiar; the prefix 'un' is the token of repression.