महाभारतः mahābhārataḥ - book-1, chapter-2, verse-80

प्रतिज्ञापालनं चैव रक्षा चित्राङ्गदस्य च ।
हते चित्राङ्गदे चैव रक्षा भ्रातुर्यवीयसः ॥८०॥

80. pratijñāpālanaṁ caiva rakṣā citrāṅgadasya ca ,
hate citrāṅgade caiva rakṣā bhrāturyavīyasaḥ.

80. pratijñāpālanam ca eva rakṣā citrāṅgadasya ca
hate citrāṅgade ca eva rakṣā bhrātuḥ yavīyasaḥ

80. Also, the fulfillment of his vow and the protection of Citrāṅgada; and indeed, after Citrāṅgada was slain, the protection of his younger brother (Vicitravīrya).

Words meanings summery:

• प्रतिज्ञापालनम् (pratijñāpālanam) - Bhishma's adherence to his great vow (brahmacaryavrata) (protection of a vow, fulfillment of a promise)

• च (ca) - connecting the clauses (and, also)

• एव (eva) - emphasizing the certainty or fact (indeed, just, only, surely)

• रक्षा (rakṣā) - the act of safeguarding (protection, guarding, preservation)

• चित्राङ्गदस्य (citrāṅgadasya) - King Chitrangada, Bhishma's half-brother (of Chitrangada)

• च (ca) - connecting the clauses (and, also)

• हते (hate) - refers to the death of Chitrangada (when slain, having been killed, destroyed)

• चित्राङ्गदे (citrāṅgade) - refers to King Chitrangada (in Chitrangada, upon Chitrangada)

• च (ca) - connecting the clauses (and, also)

• एव (eva) - emphasizing the certainty or fact (indeed, just, only, surely)

• रक्षा (rakṣā) - the act of safeguarding (protection, guarding, preservation)

• भ्रातुः (bhrātuḥ) - referring to Vichitravirya, Bhishma's younger brother (of the brother)

• यवीयसः (yavīyasaḥ) - specifying the younger brother, Vichitravirya (of the younger, younger (comparative))

Words meanings and morphology

प्रतिज्ञापालनम् (pratijñāpālanam) - Bhishma's adherence to his great vow (brahmacaryavrata) (protection of a vow, fulfillment of a promise)

(noun)

Nominative, neuter, singular of pratijñāpālana

pratijñāpālana - keeping a promise, fulfilling a vow

Compound of 'pratijñā' (promise, vow) and 'pālana' (protection, keeping).

Compound type : ṣaṣṭhī-tatpuruṣa (pratijñā+pālana)

• pratijñā – promise, vow, agreement
  noun (feminine)
  action noun
  From root jñā (to know) with prefix prati
  Prefix: prati
  Root: jñā (class 9)
• pālana – protection, keeping, guarding, maintaining
  noun (neuter)
  action noun
  From root pāl (to protect)
  Root: pāl (class 1)

Note: Refers to Bhishma's unwavering commitment.

च (ca) - connecting the clauses (and, also)

(indeclinable)

Conjunction.

एव (eva) - emphasizing the certainty or fact (indeed, just, only, surely)

(indeclinable)

Emphatic particle.

रक्षा (rakṣā) - the act of safeguarding (protection, guarding, preservation)

(noun)

Nominative, feminine, singular of rakṣā

rakṣā - protection, guarding, preservation, defense

action noun

From root rakṣ (to protect).

Root: rakṣ (class 1)

चित्राङ्गदस्य (citrāṅgadasya) - King Chitrangada, Bhishma's half-brother (of Chitrangada)

(noun)

Genitive, masculine, singular of citrāṅgada

citrāṅgada - having brilliant armlets, name of Shantanu's son

Compound of 'citra' (brilliant, wonderful) and 'aṅgada' (armlet).

Compound type : bahuvrīhi (citra+aṅgada)

• citra – bright, clear, variegated, wonderful
  adjective
• aṅgada – armlet, bracelet, an ornament for the arm
  noun (masculine)
  From aṅga (limb) + da (giving/wearing)

च (ca) - connecting the clauses (and, also)

(indeclinable)

Conjunction.

हते (hate) - refers to the death of Chitrangada (when slain, having been killed, destroyed)

(adjective)

Locative, masculine, singular of hata

hata - slain, killed, destroyed, struck

past passive participle

From root han (to strike, kill).

Root: han (class 2)

Note: Agrees with Citrāṅgade.

चित्राङ्गदे (citrāṅgade) - refers to King Chitrangada (in Chitrangada, upon Chitrangada)

(noun)

Locative, masculine, singular of citrāṅgada

citrāṅgada - having brilliant armlets, name of Shantanu's son

Compound of 'citra' (brilliant, wonderful) and 'aṅgada' (armlet).

Compound type : bahuvrīhi (citra+aṅgada)

• citra – bright, clear, variegated, wonderful
  adjective
• aṅgada – armlet, bracelet, an ornament for the arm
  noun (masculine)
  From aṅga (limb) + da (giving/wearing)

Note: Used in locative absolute construction with 'hate'.

च (ca) - connecting the clauses (and, also)

(indeclinable)

Conjunction.

एव (eva) - emphasizing the certainty or fact (indeed, just, only, surely)

(indeclinable)

Emphatic particle.

रक्षा (rakṣā) - the act of safeguarding (protection, guarding, preservation)

(noun)

Nominative, feminine, singular of rakṣā

rakṣā - protection, guarding, preservation, defense

action noun

From root rakṣ (to protect).

Root: rakṣ (class 1)

भ्रातुः (bhrātuḥ) - referring to Vichitravirya, Bhishma's younger brother (of the brother)

(noun)

Genitive, masculine, singular of bhrātṛ

bhrātṛ - brother

From Proto-Indo-European *bʰréh₂tēr.

यवीयसः (yavīyasaḥ) - specifying the younger brother, Vichitravirya (of the younger, younger (comparative))

(adjective)

Genitive, masculine, singular of yavīyas

yavīyas - younger, very young

Comparative form of yuvan (young).

Note: Agrees with Bhrātuḥ.