अतिनिष्ठुरatiniṣṭhura[ati-nishthura] a. too rough, too hard.
[ati-nishthura] adjective too rough, too hard.
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.