V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry अशस्त
अशस्तaśastaa.Inexpressible, untold.
Inexpressible, untold.
Not esteemed, hated, ill-starred; unwished; परोऽपेहि मनस्पाप किमशस्तानि शंससि Av.6.45.1.
Derived forms and compounds
-वारAdjectiveVedic who is not asked for wealth, id est, that is who grants it of his own accord; स रुद्रेभिरशस्तवार ऋभ्वा Rv.1.99.5; having indescribable treasures (?).