ग्रस्तास्तgrastāstam. the setting of the sun or moon while eclipsed W.
masculine gender the setting of the sun or moon while eclipsed W.
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.