महाभारतः mahābhārataḥ - book-3, chapter-120, verse-20

ततोऽभिमन्युः पृथिवीं प्रशास्तु यावद्व्रतं धर्मभृतां वरिष्ठः ।
युधिष्ठिरः पारयते महात्मा द्यूते यथोक्तं कुरुसत्तमेन ॥२०॥

20. tato'bhimanyuḥ pṛthivīṁ praśāstu; yāvadvrataṁ dharmabhṛtāṁ variṣṭhaḥ ,
yudhiṣṭhiraḥ pārayate mahātmā; dyūte yathoktaṁ kurusattamena.

20. tataḥ abhimanyuḥ pṛthivīm praśāstu
yāvat vratam dharmabhṛtām variṣṭhaḥ
yudhiṣṭhiraḥ pārayate mahātmā
dyūte yathā uktam kurusattamena

20. Then, let Abhimanyu rule the earth until Yudhishthira, the great-souled one and supreme upholder of natural law (dharma), fulfills the vow he made in the dice game, as stipulated by the best of the Kurus.

Words meanings summery:

• ततः (tataḥ) - then (then, thereafter, from that)

• अभिमन्युः (abhimanyuḥ) - Abhimanyu (Abhimanyu (name of a hero))

• पृथिवीम् (pṛthivīm) - the earth (the earth, the world)

• प्रशास्तु (praśāstu) - may he rule (may he rule, let him govern)

• यावत् (yāvat) - until (as long as, until, as much as)

• व्रतम् (vratam) - the vow (vow, sacred observance, religious practice)

• धर्मभृताम् (dharmabhṛtām) - among those who uphold natural law (dharma) (of those who uphold dharma (natural law))

• वरिष्ठः (variṣṭhaḥ) - the most excellent (most excellent, supreme, best)

• युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhishthira (Yudhishthira (name of a hero))

• पारयते (pārayate) - he fulfills (he fulfills, he completes, he crosses over)

• महात्मा (mahātmā) - the great-souled one (great-souled, noble, illustrious)

• द्यूते (dyūte) - in the dice game (in the dice game, in gambling)

• यथा (yathā) - as (as, according to)

• उक्तम् (uktam) - stated (spoken, said, stated)

• कुरुसत्तमेन (kurusattamena) - by the best of the Kurus (referring to Duryodhana, who specified the terms of the vow) (by the best of the Kurus)

Words meanings and morphology

ततः (tataḥ) - then (then, thereafter, from that)

(indeclinable)

अभिमन्युः (abhimanyuḥ) - Abhimanyu (Abhimanyu (name of a hero))

(proper noun)

Nominative, masculine, singular of abhimanyu

abhimanyu - Abhimanyu (son of Arjuna and Subhadra)

पृथिवीम् (pṛthivīm) - the earth (the earth, the world)

(noun)

Accusative, feminine, singular of pṛthivī

pṛthivī - the earth, soil, land

प्रशास्तु (praśāstu) - may he rule (may he rule, let him govern)

(verb)

3rd person , singular, active, imperative (loṭ) of śās

Prefix: pra

Root: śās (class 2)

Note: From root śās, with upasarga pra.

यावत् (yāvat) - until (as long as, until, as much as)

(indeclinable)

व्रतम् (vratam) - the vow (vow, sacred observance, religious practice)

(noun)

Accusative, neuter, singular of vrata

vrata - vow, sacred observance, religious practice, duty

Note: Also can be nominative singular. Context suggests it functions as object of 'fulfills' implied with 'until'.

धर्मभृताम् (dharmabhṛtām) - among those who uphold natural law (dharma) (of those who uphold dharma (natural law))

(noun)

Genitive, masculine, plural of dharmabhṛt

dharmabhṛt - upholding dharma (natural law), a protector of dharma

Compound type : tatpurusha (dharma+bhṛt)

• dharma – natural law, constitution, righteousness, duty
  noun (masculine)
• bhṛt – bearer, upholder, supporter
  noun (masculine)
  From root bhṛ (to bear, support)
  Root: bhṛ (class 3)

Note: Refers to Yudhishthira among others.

वरिष्ठः (variṣṭhaḥ) - the most excellent (most excellent, supreme, best)

(adjective)

Nominative, masculine, singular of variṣṭha

variṣṭha - most excellent, best, supreme, strongest

Superlative form of vara (excellent, best), from root vṛ (to choose).

Root: vṛ (class 5)

Note: Qualifies Yudhishthira.

युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhishthira (Yudhishthira (name of a hero))

(proper noun)

Nominative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - Yudhishthira (eldest of the Pandavas)

पारयते (pārayate) - he fulfills (he fulfills, he completes, he crosses over)

(verb)

3rd person , singular, middle, present (laṭ) of pār

Causative of root pṛ, or from root pārayati (10th class)

Root: pṛ (class 10)

महात्मा (mahātmā) - the great-souled one (great-souled, noble, illustrious)

(noun)

Nominative, masculine, singular of mahātman

mahātman - great-souled, noble-minded, illustrious person

Compound type : bahuvrihi (mahā+ātman)

• mahā – great, large, mighty
  adjective
• ātman – self, soul, spirit, essential nature
  noun (masculine)

Note: Qualifies Yudhishthira.

द्यूते (dyūte) - in the dice game (in the dice game, in gambling)

(noun)

Locative, neuter, singular of dyūta

dyūta - dice, gambling, dice game

Note: Refers to the infamous dice game.

यथा (yathā) - as (as, according to)

(indeclinable)

Note: Part of the compound yathokta.

उक्तम् (uktam) - stated (spoken, said, stated)

(adjective)

Nominative, neuter, singular of ukta

ukta - said, spoken, declared

Past Passive Participle

From root vac (to speak)

Root: vac (class 2)

Note: Part of the compound yathoktam.

कुरुसत्तमेन (kurusattamena) - by the best of the Kurus (referring to Duryodhana, who specified the terms of the vow) (by the best of the Kurus)

(noun)

Instrumental, masculine, singular of kurusattama

kurusattama - best among the Kurus

Compound type : tatpurusha (kuru+sattama)

• kuru – a member of the Kuru dynasty, Kuru kingdom
  noun (masculine)
• sattama – most excellent, best, pre-eminent
  adjective (masculine)
  Superlative of sat (good, excellent)

Note: Often used sarcastically or ironically by the Pandavas for Duryodhana, who dictated the terms of the dice game.