My Swedish etymological dictionary (Våra Ord) has this on *skita* (verb form): *...

		nemetroid on Feb 25, 2012 \| parent \| context \| favorite \| on: “What’s the waiter doing with the computer screen?... My Swedish etymological dictionary (Våra Ord) has this on skita (verb form): skita: old Swedish, Icelandic skíta; common germanic word (Ger. scheissen, Eng. shit), to an Indo-European root with meaning 'split, separate'