महाभारतः mahābhārataḥ - book-12, chapter-323, verse-56

अन्तर्भूमिगतश्चैव सततं धर्मवत्सलः ।
नारायणपरो भूत्वा नारायणपदं जगौ ॥५६॥

56. antarbhūmigataścaiva satataṁ dharmavatsalaḥ ,
nārāyaṇaparo bhūtvā nārāyaṇapadaṁ jagau.

56. antarbhūmigataḥ ca eva satatam dharmavatsalaḥ
nārāyaṇaparaḥ bhūtvā nārāyaṇapadam jagau

56. saḥ ca eva antarbhūmigataḥ satatam dharmavatsalaḥ
nārāyaṇaparaḥ bhūtvā nārāyaṇapadam jagau

56. Even while dwelling within the earth, he was constantly devoted to righteousness (dharma). Becoming solely dedicated to Nārāyaṇa, he attained the state of Nārāyaṇa.

Words meanings summery:

• अन्तर्भूमिगतः (antarbhūmigataḥ) - gone inside the earth, dwelling within the earth

• च (ca) - and

• एव (eva) - indeed, certainly

• सततम् (satatam) - constantly, always

• धर्मवत्सलः (dharmavatsalaḥ) - devoted to righteousness/natural law

• नारायणपरः (nārāyaṇaparaḥ) - devoted to Nārāyaṇa, having Nārāyaṇa as the supreme goal

• भूत्वा (bhūtvā) - having become

• नारायणपदम् (nārāyaṇapadam) - the state/abode/name of Nārāyaṇa

• जगौ (jagau) - sang, chanted, attained

Words meanings and morphology

अन्तर्भूमिगतः (antarbhūmigataḥ) - gone inside the earth, dwelling within the earth

(adjective)

Nominative, masculine, singular of antarbhūmigata

antarbhūmigata - one who has gone inside the earth

Tatpurusha compound of antar (preposition/adverb), bhūmi (earth) and gata (P.P.P. of √gam)

Compound type : tatpurusha (antar+bhūmi+gata)

• antar – inside, within
  indeclinable
• bhūmi – earth, ground, land
  noun (feminine)
• gata – gone, reached, attained
  adjective
  Past Passive Participle
  From √gam
  Root: gam (class 1)

च (ca) - and

(indeclinable)

एव (eva) - indeed, certainly

(indeclinable)

सततम् (satatam) - constantly, always

(indeclinable)

Adverbial accusative of satata

धर्मवत्सलः (dharmavatsalaḥ) - devoted to righteousness/natural law

(adjective)

Nominative, masculine, singular of dharmavatsala

dharmavatsala - fond of dharma, devoted to righteousness

Tatpurusha compound of dharma and vatsala

Compound type : tatpurusha (dharma+vatsala)

• dharma – righteousness, natural law, duty, virtue
  noun (masculine)
  Root: dhṛ (class 1)
• vatsala – affectionate, loving, fond of
  adjective

नारायणपरः (nārāyaṇaparaḥ) - devoted to Nārāyaṇa, having Nārāyaṇa as the supreme goal

(adjective)

Nominative, masculine, singular of nārāyaṇapara

nārāyaṇapara - devoted to Nārāyaṇa, having Nārāyaṇa as the highest goal

Tatpurusha compound of Nārāyaṇa and para

Compound type : tatpurusha (nārāyaṇa+para)

• nārāyaṇa – Nārāyaṇa (a name of Viṣṇu)
  proper noun (masculine)
• para – supreme, highest, ultimate; devoted to, intent on
  adjective

भूत्वा (bhūtvā) - having become

(indeclinable)

Absolutive / Gerund

Suffixed with -tvā

Root: bhū (class 1)

नारायणपदम् (nārāyaṇapadam) - the state/abode/name of Nārāyaṇa

(noun)

Accusative, neuter, singular of nārāyaṇapada

nārāyaṇapada - the state, abode, or word of Nārāyaṇa

Tatpurusha compound of Nārāyaṇa and pada

Compound type : tatpurusha (nārāyaṇa+pada)

• nārāyaṇa – Nārāyaṇa (a name of Viṣṇu)
  proper noun (masculine)
• pada – foot, step, abode, state, word, term
  noun (neuter)

जगौ (jagau) - sang, chanted, attained

(verb)

3rd person , singular, active, perfect (liṭ) of jagau

Perfect Tense

Root: gai (class 1)