महाभारतः mahābhārataḥ - book-12, chapter-236, verse-18

शलो वाकश्च निर्वाकः शून्यपालः कृतश्रमः ।
एवंधर्मसु विद्वांसस्ततः स्वर्गमुपागमन् ॥१८॥

18. śalo vākaśca nirvākaḥ śūnyapālaḥ kṛtaśramaḥ ,
evaṁdharmasu vidvāṁsastataḥ svargamupāgaman.

18. śalaḥ vākaḥ ca nirvākaḥ śūnyapālaḥ kṛtaśramaḥ
evaṃdharmsu vidvāṃsaḥ tataḥ svargam upāgaman

18. śalaḥ vākaḥ ca nirvākaḥ śūnyapālaḥ kṛtaśramaḥ
evaṃdharmsu vidvāṃsaḥ tataḥ svargam upāgaman

18. Śala, Vāka, Nirvāka, and Śūnyapāla, who had undertaken great spiritual effort, along with other wise ones (vidvāṃsas) devoted to such intrinsic nature (dharma), thereupon attained heaven.

Words meanings summery:

• शलः (śalaḥ) - A sage named Śala (Śala (a proper name))

• वाकः (vākaḥ) - A sage named Vāka (Vāka (a proper name))

• च (ca) - and

• निर्वाकः (nirvākaḥ) - A sage named Nirvāka (Nirvāka (a proper name))

• शून्यपालः (śūnyapālaḥ) - A sage named Śūnyapāla (Śūnyapāla (a proper name))

• कृतश्रमः (kṛtaśramaḥ) - who had performed spiritual effort/labor

• एवंधर्म्सु (evaṁdharmsu) - Describes the wise ones as being engaged with or characterized by a certain kind of dharma mentioned previously. (in such natural law (dharma); devoted to such intrinsic nature (dharma))

• विद्वांसः (vidvāṁsaḥ) - The sages and ascetics mentioned (wise ones, scholars)

• ततः (tataḥ) - thereupon, then, from there

• स्वर्गम् (svargam) - The celestial realm (heaven)

• उपागमन् (upāgaman) - They reached or went to heaven (they approached, they attained)

Words meanings and morphology

शलः (śalaḥ) - A sage named Śala (Śala (a proper name))

(proper noun)

Nominative, masculine, singular of śala

śala - a kind of tree; a dart, spear; a proper name

वाकः (vākaḥ) - A sage named Vāka (Vāka (a proper name))

(proper noun)

Nominative, masculine, singular of vāka

vāka - a word, speech; a proper name

च (ca) - and

(indeclinable)

निर्वाकः (nirvākaḥ) - A sage named Nirvāka (Nirvāka (a proper name))

(proper noun)

Nominative, masculine, singular of nirvāka

nirvāka - a proper name

शून्यपालः (śūnyapālaḥ) - A sage named Śūnyapāla (Śūnyapāla (a proper name))

(proper noun)

Nominative, masculine, singular of śūnyapāla

śūnyapāla - protector of the void; a proper name

Compound type : tatpuruṣa (śūnya+pāla)

• śūnya – empty, void, deserted, null
  adjective (neuter)
• pāla – protector, guardian, keeper
  noun (masculine)
  Derived from root √pāl (to protect)
  Root: pāl (class 10)

कृतश्रमः (kṛtaśramaḥ) - who had performed spiritual effort/labor

(adjective)

Nominative, masculine, singular of kṛtaśrama

kṛtaśrama - one who has performed labor or spiritual effort

Compound type : bahuvrīhi (kṛta+śrama)

• kṛta – done, made, performed
  adjective (neuter)
  Past Passive Participle
  Formed from root √kṛ (to do, make)
  Root: kṛ (class 8)
• śrama – effort, labor, exertion, asceticism
  noun (masculine)
  Root: śram (class 4)

एवंधर्म्सु (evaṁdharmsu) - Describes the wise ones as being engaged with or characterized by a certain kind of dharma mentioned previously. (in such natural law (dharma); devoted to such intrinsic nature (dharma))

(adjective)

Locative, masculine, plural of evaṃdharma

evaṁdharma - of such a nature; characterized by such intrinsic nature (dharma)

Compound type : karmadhāraya (evam+dharma)

• evam – thus, so, in this manner
  indeclinable
• dharma – natural law, intrinsic nature, duty, righteousness, constitution
  noun (masculine)
  Root: dhṛ (class 1)

विद्वांसः (vidvāṁsaḥ) - The sages and ascetics mentioned (wise ones, scholars)

(adjective)

Nominative, masculine, plural of vidvas

vidvas - wise, learned, knowing, a scholar

Perfect Active Participle

From root √vid (to know)

Root: vid (class 2)

ततः (tataḥ) - thereupon, then, from there

(indeclinable)

स्वर्गम् (svargam) - The celestial realm (heaven)

(noun)

Accusative, masculine, singular of svarga

svarga - heaven, paradise, celestial world

उपागमन् (upāgaman) - They reached or went to heaven (they approached, they attained)

(verb)

3rd person , plural, active, past imperfect (laṅ) of upāgam

Imperfect Active

3rd person plural Imperfect of √gam with upasargas upa and ā

Prefixes: upa+ā

Root: gam (class 1)