Derived from the Germanic elements sigu
"victory" and mund
"protector" (or in the case of the Scandinavian cognate
, from the Old Norse
"victory" and mundr
"protector"). In Norse mythology
this was the name of the hero Sigurd
's father, the bearer of the powerful sword Gram. A notable bearer was the Austrian psychologist Sigmund Freud (1856-1939), the creator of the revolutionary theory of psychoanalysis.