महाभारतः mahābhārataḥ - book-13, chapter-126, verse-10

व्रतं चचार धर्मात्मा कृष्णो द्वादशवार्षिकम् ।
दीक्षितं चागतौ द्रष्टुमुभौ नारदपर्वतौ ॥१०॥

10. vrataṁ cacāra dharmātmā kṛṣṇo dvādaśavārṣikam ,
dīkṣitaṁ cāgatau draṣṭumubhau nāradaparvatau.

10. vratam cacāra dharma-ātmā kṛṣṇaḥ dvādaśa-vārṣikam
dīkṣitam ca āgatāu draṣṭum ubhāu nārada-parvatāu

10. dharma-ātmā kṛṣṇaḥ dvādaśa-vārṣikam vratam cacāra
dīkṣitam draṣṭum ca ubhāu nārada-parvatāu āgatāu

10. Kṛṣṇa, the embodiment of righteousness (dharma), observed a twelve-year vow. And both Nārada and Parvata came to witness this initiated (dīkṣita) state.

Words meanings summery:

• व्रतम् (vratam) - The specific ritual vow Kṛṣṇa undertook. (vow, religious observance, sacred duty)

• चचार (cacāra) - Kṛṣṇa performed or observed the vow. (performed, observed, moved, wandered)

• धर्म-आत्मा (dharma-ātmā) - Kṛṣṇa, characterized by his righteous (dharma) nature. (righteous-souled, virtuous, pious)

• कृष्णः (kṛṣṇaḥ) - Lord Kṛṣṇa, the central figure in the Mahābhārata. (Kṛṣṇa (name of a deity/person))

• द्वादश-वार्षिकम् (dvādaśa-vārṣikam) - Describing the duration of Kṛṣṇa's vow. (lasting twelve years, twelve-yearly)

• दीक्षितम् (dīkṣitam) - Kṛṣṇa, in the state of having undertaken the vow. (initiated, consecrated, engaged in a ritual)

• च (ca) - Connecting the two parts of the sentence. (and, also)

• आगताउ (āgatāu) - Nārada and Parvata arrived. (came (two of them), arrived)

• द्रष्टुम् (draṣṭum) - The purpose of Nārada and Parvata's visit. (to see, for seeing)

• उभाउ (ubhāu) - Referring to both Nārada and Parvata. (both)

• नारद-पर्वताउ (nārada-parvatāu) - The two sages who came to visit Kṛṣṇa. (Nārada and Parvata)

Words meanings and morphology

व्रतम् (vratam) - The specific ritual vow Kṛṣṇa undertook. (vow, religious observance, sacred duty)

(noun)

Accusative, neuter, singular of vrata

vrata - vow, religious observance, sacred duty, rule

Note: Object of 'cacāra'.

चचार (cacāra) - Kṛṣṇa performed or observed the vow. (performed, observed, moved, wandered)

(verb)

3rd person , singular, active, Perfect (lit) of car

Perfect Active

3rd person singular, Perfect active

Root: car (class 1)

धर्म-आत्मा (dharma-ātmā) - Kṛṣṇa, characterized by his righteous (dharma) nature. (righteous-souled, virtuous, pious)

(adjective)

Nominative, masculine, singular of dharma-ātman

dharma-ātman - one whose soul is righteousness; righteous-souled

Compound type : bahuvrihi (dharma+ātman)

• dharma – righteousness, duty, law, intrinsic nature
  noun (masculine)
  Root: dhṛ (class 1)
• ātman – self, soul, spirit, essential nature
  noun (masculine)

Note: Qualifies 'kṛṣṇaḥ'.

कृष्णः (kṛṣṇaḥ) - Lord Kṛṣṇa, the central figure in the Mahābhārata. (Kṛṣṇa (name of a deity/person))

(proper noun)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (a Hindu deity), dark, black

Note: Subject of the sentence.

द्वादश-वार्षिकम् (dvādaśa-vārṣikam) - Describing the duration of Kṛṣṇa's vow. (lasting twelve years, twelve-yearly)

(adjective)

Accusative, neuter, singular of dvādaśa-vārṣika

dvādaśa-vārṣika - lasting twelve years, twelve-yearly

Compound type : tatpurusha (dvādaśa+vārṣika)

• dvādaśa – twelve
  numeral
• vārṣika – yearly, annual, belonging to a year
  adjective (neuter)
  Derived from 'varṣa' (year)

Note: Agrees with 'vratam'.

दीक्षितम् (dīkṣitam) - Kṛṣṇa, in the state of having undertaken the vow. (initiated, consecrated, engaged in a ritual)

(adjective)

Accusative, masculine, singular of dīkṣita

dīkṣita - initiated, consecrated, prepared for a solemn ceremony, having undertaken a vow

Past Passive Participle

From root 'dīkṣ'

Root: dīkṣ (class 1)

Note: Qualifies Kṛṣṇa (implied, as in 'Kṛṣṇa who was dīkṣita'). Accusative form due to being the object of 'draṣṭum' (to see).

च (ca) - Connecting the two parts of the sentence. (and, also)

(indeclinable)

आगताउ (āgatāu) - Nārada and Parvata arrived. (came (two of them), arrived)

(adjective)

Nominative, masculine, dual of āgata

āgata - arrived, come, obtained

Past Passive Participle

From root 'gam' with prefix 'ā'

Prefix: ā

Root: gam (class 1)

Note: Functions as a finite verb in this context, 'they both came'.

द्रष्टुम् (draṣṭum) - The purpose of Nārada and Parvata's visit. (to see, for seeing)

(indeclinable)

Infinitive

Formed with suffix -tum

Root: dṛś (class 1)

उभाउ (ubhāu) - Referring to both Nārada and Parvata. (both)

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

Note: Agrees with 'nārada-parvatāu'.

नारद-पर्वताउ (nārada-parvatāu) - The two sages who came to visit Kṛṣṇa. (Nārada and Parvata)

(proper noun)

Nominative, masculine, dual of nārada-parvata

nārada-parvata - Nārada and Parvata (names of two sages)

Compound type : dvandva (nārada+parvata)

• nārada – Nārada (a divine sage)
  proper noun (masculine)
• parvata – Parvata (a sage, friend of Nārada)
  proper noun (masculine)

Note: Dual nominative form of the Dvandva compound of the two sages' names.