महाभारतः mahābhārataḥ - book-1, chapter-129, verse-6

तथा भीष्मः शांतनवः सत्यसंधो महाव्रतः ।
प्रत्याख्याय पुरा राज्यं नाद्य जातु ग्रहीष्यति ॥६॥

6. tathā bhīṣmaḥ śāṁtanavaḥ satyasaṁdho mahāvrataḥ ,
pratyākhyāya purā rājyaṁ nādya jātu grahīṣyati.

6. tathā bhīṣmaḥ śāntanavaḥ satyasaṃdhaḥ mahāvrataḥ
pratyākhyāya purā rājyam na adya jātu grahīṣyati

6. Similarly, Bhīṣma, the son of Śantanu, who is true to his pledge (satyasaṃdha) and upholds great vows (mahāvrata), will certainly not accept the kingdom now, as he had refused it before.

Words meanings summery:

• तथा (tathā) - thus, so, similarly

• भीष्मः (bhīṣmaḥ) - Bhīṣma (proper name)

• शान्तनवः (śāntanavaḥ) - son of Śantanu

• सत्यसंधः (satyasaṁdhaḥ) - true to his promise, whose pledge is truth

• महाव्रतः (mahāvrataḥ) - one of great vows, observing great vows

• प्रत्याख्याय (pratyākhyāya) - having refused, having rejected, having renounced

• पुरा (purā) - formerly, previously, in ancient times

• राज्यम् (rājyam) - kingdom, sovereignty

• न (na) - not

• अद्य (adya) - today, now

• जातु (jātu) - ever, at all, by any means

• ग्रहीष्यति (grahīṣyati) - he will accept, he will take

Words meanings and morphology

तथा (tathā) - thus, so, similarly

(indeclinable)

भीष्मः (bhīṣmaḥ) - Bhīṣma (proper name)

(proper noun)

Nominative, masculine, singular of bhīṣma

bhīṣma - Bhīṣma (son of Śantanu and Gaṅgā, known for his terrible vow)

Literally 'terrible, formidable'. From √bhī 'to fear'. As a proper name, it refers to the character.

Root: bhī (class 3)

शान्तनवः (śāntanavaḥ) - son of Śantanu

(noun)

Nominative, masculine, singular of śāntanava

śāntanava - son of Śantanu (epithet for Bhīṣma)

Patronymic derivative from Śantanu.

Note: Epithet for Bhīṣma.

सत्यसंधः (satyasaṁdhaḥ) - true to his promise, whose pledge is truth

(adjective)

Nominative, masculine, singular of satyasaṃdha

satyasaṁdha - true to one's promise, firm in resolution

Compound of satya (truth) and saṃdha (pledge, agreement, resolution).

Compound type : bahuvrīhi (satya+saṃdha)

• satya – truth, true, real
  noun (neuter)
  Derived from sat (being, true).
  Root: as (class 2)
• saṃdha – pledge, agreement, resolution, bond
  noun (masculine)
  From sam-√dhā 'to put together, to join, to agree'. Passive participle used as a noun.
  Prefix: sam
  Root: dhā (class 3)

Note: Qualifies Bhīṣma.

महाव्रतः (mahāvrataḥ) - one of great vows, observing great vows

(adjective)

Nominative, masculine, singular of mahāvrata

mahāvrata - having great vows, observing great vows (epithet of Bhīṣma)

Compound of mahā (great) and vrata (vow, religious observance).

Compound type : bahuvrīhi (mahā+vrata)

• mahā – great, large, mighty
  adjective (feminine)
  Feminine form of mahat, used as a prefix.
• vrata – vow, religious observance, sacred duty
  noun (neuter)
  From √vṛ 'to choose, cover'.
  Root: vṛ (class 5)

Note: Qualifies Bhīṣma.

प्रत्याख्याय (pratyākhyāya) - having refused, having rejected, having renounced

(indeclinable)

Absolutive (Gerund)

From prati-ā-√khyā 'to announce, tell', with secondary meaning 'to refuse'. Absolutive suffix -ya.

Prefixes: prati+ā

Root: khyā (class 2)

पुरा (purā) - formerly, previously, in ancient times

(indeclinable)

राज्यम् (rājyam) - kingdom, sovereignty

(noun)

Accusative, neuter, singular of rājya

rājya - kingdom, sovereignty, royal office

From rājan (king) + -ya suffix.

न (na) - not

(indeclinable)

Particle of negation.

अद्य (adya) - today, now

(indeclinable)

Adverb of time.

जातु (jātu) - ever, at all, by any means

(indeclinable)

Emphatic particle, often used with negation 'na jātu' meaning 'never, not at all'.

Note: Used with 'na' for emphasis.

ग्रहीष्यति (grahīṣyati) - he will accept, he will take

(verb)

3rd person , singular, active, future (lṛṭ) of grah

Future

From √grah 'to seize', future active 3rd singular.

Root: grah (class 9)