अपूर्वत्वapūrvatvan. the being unpreceded, the not having existed before, incomparableness, &c.
neuter gender the being unpreceded, the not having existed before, incomparableness, etc.
कोशःDictionaries
Every entry for a word in Apte, Monier-Williams, Macdonell and the Dhātupāṭha, with their abbreviations spelled out, and an analysis of its forms.