he means that the north wind does not meet it. it is said that he meant that the bird flew with it from the north direction. they consider the right hand as auspicious and the left as unlucky and that is why they said yemen and bad luck. yemen is from the right and bad luck is from the left hand which is the north. the left side is the more unlucky side. they may also consider it bad luck from the cold. one of them was asked what is the most severe cold? he said
يريد بنوى مشمولة، أى لا لقاء معها من الريح الشمال. ويقال أراد جرت الطير به من ناحية الشمال، وهم يتيمنون باليمنى ويتشأمون بالشمال ولذلك قالوا اليمن والشؤم. فاليمن من اليمين، والشؤم من اليد اليسرى ١ ، وهى الشمال. الجانب الأيسر هو الجانب الأشأم. وقد يتشأمون بها ايضا من جهة البرد. قيل لبعضهم ما أشد البرد؟ فقال