महाभारतः mahābhārataḥ - book-1, chapter-48, verse-25

आस्तीकः किल यज्ञं तं वर्तन्तं भुजगोत्तमे ।
प्रतिषेत्स्यति मां पूर्वं स्वयमाह पितामहः ॥२५॥

25. āstīkaḥ kila yajñaṁ taṁ vartantaṁ bhujagottame ,
pratiṣetsyati māṁ pūrvaṁ svayamāha pitāmahaḥ.

25. āstīkaḥ kila yajñam tam vartantam bhujagottame
pratiṣetsyati mām pūrvam svayam āha pitāmahaḥ

25. O best of serpents, it is said that Āstīka will stop that ongoing sacrifice. My grandfather himself told me earlier that he would save me first.

Words meanings summery:

• आस्तीकः (āstīkaḥ) - Āstīka (Āstīka (proper name))

• किल (kila) - it is said that (indeed, it is said)

• यज्ञम् (yajñam) - sacrifice (sacrifice, ritual)

• तम् (tam) - that (that, him)

• वर्तन्तम् (vartantam) - ongoing (ongoing, existing, being carried out)

• भुजगोत्तमे (bhujagottame) - O best of serpents!

• प्रतिषेत्स्यति (pratiṣetsyati) - will stop (will stop, will obstruct, will avert)

• माम् (mām) - me

• पूर्वम् (pūrvam) - earlier (that he would save me first) (previously, before, first)

• स्वयम् (svayam) - himself (himself, by oneself)

• आह (āha) - told (said, spoke)

• पितामहः (pitāmahaḥ) - grandfather (grandfather, creator (Brahma))

Words meanings and morphology

आस्तीकः (āstīkaḥ) - Āstīka (Āstīka (proper name))

(noun)

Nominative, masculine, singular of āstīka

āstīka - Āstīka (name of a sage, son of Jaratkāru and Manasā)

किल (kila) - it is said that (indeed, it is said)

(indeclinable)

यज्ञम् (yajñam) - sacrifice (sacrifice, ritual)

(noun)

Accusative, masculine, singular of yajña

yajña - sacrifice, religious rite, worship

Root: yaj (class 1)

तम् (tam) - that (that, him)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

वर्तन्तम् (vartantam) - ongoing (ongoing, existing, being carried out)

(adjective)

Accusative, masculine, singular of vartamāna

vartamāna - being, existing, present, current, ongoing

present participle

from root vṛt

Root: vṛt (class 1)

भुजगोत्तमे (bhujagottame) - O best of serpents!

(noun)

Vocative, masculine, singular of bhujagottama

bhujagottama - best of serpents, excellent serpent

Compound type : tatpuruṣa (bhujaga+uttama)

• bhujaga – serpent, snake (lit. 'going on the arm')
  noun (masculine)
• uttama – best, highest, excellent
  adjective (masculine)

प्रतिषेत्स्यति (pratiṣetsyati) - will stop (will stop, will obstruct, will avert)

(verb)

3rd person , singular, active, future (lṛṭ) of prati-sidh

Prefix: prati

Root: sidh (class 1)

माम् (mām) - me

(pronoun)

Accusative, singular of mad

mad - I, me

पूर्वम् (pūrvam) - earlier (that he would save me first) (previously, before, first)

(indeclinable)

Note: Used adverbially

स्वयम् (svayam) - himself (himself, by oneself)

(indeclinable)

आह (āha) - told (said, spoke)

(verb)

3rd person , singular, active, perfect (lit) of ah

Root: brū/vac (class 2)

पितामहः (pitāmahaḥ) - grandfather (grandfather, creator (Brahma))

(noun)

Nominative, masculine, singular of pitāmaha

pitāmaha - grandfather, paternal grandfather, Brahma (as the great ancestor)

Compound type : tatpuruṣa (pitṛ+maha)

• pitṛ – father
  noun (masculine)
• maha – great (often used as a suffix for reverence)
  adjective (masculine)