Apte Sanskrit-English Dictionary
a. (ṣī f.) Lasting for a ‘nimisha’ or twinkling, momentary, transient. ṣaṃ N. of a sacred forest celebrated as the residence of cer- tain sages to whom Sauti related the Mahābhārata; R. 19. 1; (the name is thus derived: yatastu nimiṣeṇedaṃ nihataṃ dānavaṃ balaṃ. araṇye'smiṃstatastena naimiṣāraṇya- saṃjñitaṃ..).