महाभारतः mahābhārataḥ - book-1, chapter-49, verse-18

अहं त्वां मोक्षयिष्यामि वासुके पन्नगोत्तम ।
तस्माच्छापान्महासत्त्व सत्यमेतद्ब्रवीमि ते ॥१८॥

18. ahaṁ tvāṁ mokṣayiṣyāmi vāsuke pannagottama ,
tasmācchāpānmahāsattva satyametadbravīmi te.

18. aham tvām mokṣayiṣyāmi vāsuke pannagottama
tasmāt śāpāt mahāsattva satyam etat bravīmi te

18. O Vāsuki, best of serpents, O great being, I will release you from that curse. I tell you this truth.

Words meanings summery:

• अहम् (aham) - I

• त्वाम् (tvām) - you (you (accusative))

• मोक्षयिष्यामि (mokṣayiṣyāmi) - I will release (I will liberate/release)

• वासुके (vāsuke) - O Vāsuki

• पन्नगोत्तम (pannagottama) - O best of serpents

• तस्मात् (tasmāt) - from that (from that, therefore)

• शापात् (śāpāt) - from the curse

• महासत्त्व (mahāsattva) - O great being (O great being, O one of great essence/courage)

• सत्यम् (satyam) - the truth (truth)

• एतत् (etat) - this

• ब्रवीमि (bravīmi) - I tell (I say, I tell)

• ते (te) - to you (to you, your)

Words meanings and morphology

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

त्वाम् (tvām) - you (you (accusative))

(pronoun)

Accusative, singular of yuṣmad

yuṣmad - you

मोक्षयिष्यामि (mokṣayiṣyāmi) - I will release (I will liberate/release)

(verb)

1st person , singular, active, future (lṛṭ) of muc

Root: muc (class 6)

वासुके (vāsuke) - O Vāsuki

(noun)

Vocative, masculine, singular of vāsuki

vāsuki - Vāsuki (name of a Nāga king)

पन्नगोत्तम (pannagottama) - O best of serpents

(compound)

Compound type : tatpuruṣa (pannaga+uttama)

• pannaga – serpent, snake (lit. going on the belly)
  noun (masculine)
• uttama – best, excellent, highest, principal
  adjective (masculine)

तस्मात् (tasmāt) - from that (from that, therefore)

(pronoun)

Ablative, masculine, singular of tad

tad - that, this, he, she, it

शापात् (śāpāt) - from the curse

(noun)

Ablative, masculine, singular of śāpa

śāpa - curse, imprecation, oath

action noun

Root: śap (class 1)

महासत्त्व (mahāsattva) - O great being (O great being, O one of great essence/courage)

(adjective)

Vocative, masculine, singular of mahāsattva

mahāsattva - great being, great-souled, of great courage

Compound type : bahuvrīhi (mahā+sattva)

• mahā – great, large, mighty
  adjective
• sattva – being, essence, strength, courage, reality
  noun (neuter)

सत्यम् (satyam) - the truth (truth)

(noun)

Accusative, neuter, singular of satya

satya - truth, true, real, virtuous

एतत् (etat) - this

(pronoun)

Accusative, neuter, singular of etad

etad - this, that

ब्रवीमि (bravīmi) - I tell (I say, I tell)

(verb)

1st person , singular, active, present indicative (lat) of brū

Root: brū (class 2)

ते (te) - to you (to you, your)

(pronoun)

Dative, singular of yuṣmad

yuṣmad - you

Note: Can also be genitive