अनिमिषाanimiṣāind. instr. without winking i.e. vigilantly or incessantly RV.
indeclinable instrumental case without winking id est vigilantly or incessantly fg-veda
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.