महाभारतः mahābhārataḥ - book-14, chapter-72, verse-7

श्वेताश्वः कृष्णसारं तं ससाराश्वं धनंजयः ।
विधिवत्पृथिवीपाल धर्मराजस्य शासनात् ॥७॥

7. śvetāśvaḥ kṛṣṇasāraṁ taṁ sasārāśvaṁ dhanaṁjayaḥ ,
vidhivatpṛthivīpāla dharmarājasya śāsanāt.

7. śvetāśvaḥ kṛṣṇasāram tam sasāra aśvam dhanañjayaḥ
vidhivat pṛthivīpāla dharmarājasya śāsanāt

7. pṛthivīpāla,
śvetāśvaḥ dhanañjayaḥ dharmarājasya śāsanāt vidhivat tam kṛṣṇasāram aśvam sasāra.

7. O protector of the earth, Dhanañjaya (Arjuna), with his white horses, chased that black antelope-like horse according to the rules, by the command of the king of dharma (Yudhiṣṭhira).

Words meanings summery:

• श्वेताश्वः (śvetāśvaḥ) - (Arjuna) who has white horses (having white horses)

• कृष्णसारम् (kṛṣṇasāram) - (the sacrificial horse) that resembles a black antelope (in markings or color) (black antelope, a horse resembling a black antelope)

• तम् (tam) - that (horse) (that, him)

• ससार (sasāra) - he chased (the horse) (he ran, he went, he moved, he chased)

• अश्वम् (aśvam) - (the sacrificial) horse (horse)

• धनञ्जयः (dhanañjayaḥ) - Arjuna (epithet meaning 'conqueror of wealth') (conqueror of wealth, Arjuna)

• विधिवत् (vidhivat) - according to the prescribed rules (of the ritual) (according to rule, properly, ritually)

• पृथिवीपाल (pṛthivīpāla) - O Dhṛtarāṣṭra (O protector of the earth, O king)

• धर्मराजस्य (dharmarājasya) - of Yudhiṣṭhira (of the king of dharma)

• शासनात् (śāsanāt) - by the command (from the command, by the order)

Words meanings and morphology

श्वेताश्वः (śvetāśvaḥ) - (Arjuna) who has white horses (having white horses)

(adjective)

Nominative, masculine, singular of śvetāśva

śvetāśva - having white horses; an epithet of Arjuna

Compound type : bahuvrīhi (śveta+aśva)

• śveta – white, fair
  adjective
• aśva – horse
  noun (masculine)

Note: An epithet for Arjuna.

कृष्णसारम् (kṛṣṇasāram) - (the sacrificial horse) that resembles a black antelope (in markings or color) (black antelope, a horse resembling a black antelope)

(noun)

Accusative, masculine, singular of kṛṣṇasāra

kṛṣṇasāra - black antelope, a type of deer; sometimes used for a horse of a specific color/marking

Compound type : tatpuruṣa (kṛṣṇa+sāra)

• kṛṣṇa – black, dark
  adjective
• sāra – antelope, deer (especially the spotted deer)
  noun (masculine)

Note: Refers to the sacrificial horse, often chosen for specific characteristics.

तम् (tam) - that (horse) (that, him)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to `aśvam`.

ससार (sasāra) - he chased (the horse) (he ran, he went, he moved, he chased)

(verb)

3rd person , singular, active, past perfect (liṭ) of sṛ

Perfect (lit)

3rd person singular, Perfect tense

Root: sṛ (class 1)

अश्वम् (aśvam) - (the sacrificial) horse (horse)

(noun)

Accusative, masculine, singular of aśva

aśva - horse

Note: Object of `sasāra`.

धनञ्जयः (dhanañjayaḥ) - Arjuna (epithet meaning 'conqueror of wealth') (conqueror of wealth, Arjuna)

(proper noun)

Nominative, masculine, singular of dhanañjaya

dhanañjaya - conqueror of wealth; a name of Arjuna, also fire

Compound type : tatpuruṣa (dhana+jaya)

• dhana – wealth, riches, treasure
  noun (neuter)
• jaya – victory, conquest, conqueror
  noun (masculine)
  Root: ji (class 1)

Note: Subject of `sasāra`.

विधिवत् (vidhivat) - according to the prescribed rules (of the ritual) (according to rule, properly, ritually)

(indeclinable)

From 'vidhi' with '-vat' suffix

Note: Adverb of manner.

पृथिवीपाल (pṛthivīpāla) - O Dhṛtarāṣṭra (O protector of the earth, O king)

(noun)

Vocative, masculine, singular of pṛthivīpāla

pṛthivīpāla - protector of the earth, king

Compound type : tatpuruṣa (pṛthivī+pāla)

• pṛthivī – earth
  noun (feminine)
• pāla – protector, guardian
  noun (masculine)
  agent noun
  Derived from root pā- 'to protect'
  Root: pā (class 2)

धर्मराजस्य (dharmarājasya) - of Yudhiṣṭhira (of the king of dharma)

(proper noun)

Genitive, masculine, singular of dharmarāja

dharmarāja - king of dharma, king of righteousness; an epithet of Yudhiṣṭhira or Yama

Compound type : tatpuruṣa (dharma+rāja)

• dharma – natural law, constitution, duty, righteousness, intrinsic nature
  noun (masculine)
  Root: dhṛ (class 1)
• rāja – king, ruler
  noun (masculine)
  Root: rāj (class 1)

Note: Refers to Yudhiṣṭhira.

शासनात् (śāsanāt) - by the command (from the command, by the order)

(noun)

Ablative, neuter, singular of śāsana

śāsana - command, order, instruction, governing

From root śās- 'to command, instruct'

Root: śās (class 2)

Note: Expresses agency/cause.