Ianus - PIE Origin?

From: alexandru_mg3
Message: 40298
Date: 2005-09-22

Could somebody help with a PIE root and the derivation of Ianus

I could find PIE *ia: from the PIE *ei - 'to go'

URL:
http://64.233.183.104/search?
q=cache:d2b35w8ckmAJ:www.bookrags.com/other/religion/janus-eorl-
07.html+Ianus+indo+european&hl=en

Thanks a lot,
Marius