Atha is one of the auspicious words in Vedic literature. Atha signifies the prayer for an auspicious beginning. All the Vedic literatures begin with prayers. In the classical era, these words like Atha, Om, Omkara were in use. During the medieval period, the prayers began with the worshipping of Lord Ganesha. Since, this has been the ritual in the Vedic history, Atha is preferred as the first post here. Thus, marking auspiciousness.