[ 'wɪdəʃɪnz ]
(also withershins )
■ adverb chiefly Scottish in a direction contrary to the sun's course (or anticlockwise), considered as unlucky.
Origin
C16: from Mid. Low Ger. weddersins , from Mid. High Ger. widersinnes , from wider 'against' + sin 'direction'; the second element was assoc. with Scots sin 'sun'.