नष्टैषnaṣṭaiṣa(S3Br.) mfn. seeking what has been lost.
(S3Br.) masculine, feminine and neuter; or adjective seeking what has been lost.
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.