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 अगाध
अगाधagādhaa.Unfathomable, very deep, bottomless; अगाधसलिलात्समुद्रात् H.1.52; (fig.) profound, sound, very deep यस्य…
[गाध्-प्रतिष्ठायां घञ्; न. ब.]
Unfathomable, very deep, bottomless; अगाधसलिलात्समुद्रात् H.1.52; (Figurative) profound, sound, very deep यस्य ज्ञानदयासिन्धोरगाधस्यानघा गुणाः Ak. unfathomable, incomprehensible, inscrutable, Not learned; अगाधाश्चाप्रतिष्ठाश्च गतिमन्तश्च नारद Mb.12. 286.7. Not established, well-known; अगाधजन्मामरणं च राजन् Mb.12.38.39.
Derived forms and compounds
-धः -धम् a deep hole or chasm.
-धःName of one of the 5 fires at the स्वाहाकारCompareGreekagathos.
-जलःअगाधं जलं यत्र a deep pool or pond, deep lake.
-सत्त्वAdjective possessing profound inherent power. द्विजमुख्यतमः कविर्बभूव प्रथितः शूद्रक इत्यगाधसत्त्वः ॥ Mk.1.3, अगाधसत्त्वो मगधप्रतिष्ठः । R.6.21; so denotes that the rest of the word under consideration is to be suppliedज्ञानम्, denotes that the rest of the word under consideration is to be suppliedबुद्धिः; great; as denotes that the rest of the word under consideration is to be suppliedभयम्.