The word Vaḍādaśain̐ (वडादशैँ) is a Nepali sandhi, where "baḍā" (बडा) means "important" and "daśa͠i" (दशैं) means "tenth", implying the most-significant final day of the festival of Durga Puja, celebrating the dawn after the end of Nauratha (nine nights). The word Dashain is ultimately derived from the Sanskrit word daśamī