Etymograph > Indo-European > Old English > Dictionary > roccian

move to and fro, to rock

Source: Kroonen 2013:417
originates from: PGmc *rukkōn- "move to and fro, to rock" (rukkōn- > rukkōjan > rokkōjan > rokkian) through pgmc-to-oe
(source: Kroonen 2013:417)