What is the inauspicious start?

An inauspicious start refers to a beginning that is not promising or does not inspire confidence. It is often used to describe a situation or venture that starts off poorly or under unfavorable circumstances. However, it does not necessarily predict the outcome, as success can still be achieved despite an inauspicious start. In the context provided, the inauspicious start refers to the initial skepticism towards the idea of injecting air into a running shoe, which later became a revolutionary product for Nike.