महाभारतः mahābhārataḥ - book-5, chapter-2, verse-3

लब्ध्वा हि राज्यं पुरुषप्रवीराः सम्यक्प्रवृत्तेषु परेषु चैव ।
ध्रुवं प्रशान्ताः सुखमाविशेयुस्तेषां प्रशान्तिश्च हितं प्रजानाम् ॥३॥

3. labdhvā hi rājyaṁ puruṣapravīrāḥ; samyakpravṛtteṣu pareṣu caiva ,
dhruvaṁ praśāntāḥ sukhamāviśeyu;steṣāṁ praśāntiśca hitaṁ prajānām.

3. labdhvā hi rājyaṃ puruṣapravīrāḥ
samyakpravṛtteṣu pareṣu ca eva
dhruvaṃ praśāntāḥ sukhaṃ āviśeyuḥ
teṣāṃ praśāntiḥ ca hitaṃ prajānām

3. Indeed, if the supreme heroes among men (Pandavas) were to obtain the kingdom, and if their adversaries were to behave properly, then they would certainly attain peace and happiness. Furthermore, their tranquility is also beneficial for the welfare of the subjects.

Words meanings summery:

• लब्ध्वा (labdhvā) - having obtained, having gained, having found

• हि (hi) - indeed, surely, for

• राज्यं (rājyaṁ) - kingdom, reign

• पुरुषप्रवीराः (puruṣapravīrāḥ) - the Pandavas, who are mighty warriors (supreme heroes among men)

• सम्यक्प्रवृत्तेषु (samyakpravṛtteṣu) - when the adversaries (paresu) are properly behaved or inclined (when properly engaged, when rightly disposed, if they behave properly)

• परेषु (pareṣu) - among the adversaries (Kauravas) (among others, regarding adversaries, to opponents)

• च (ca) - and, also

• एव (eva) - only, just, indeed, precisely

• ध्रुवं (dhruvaṁ) - certainly, surely, firmly

• प्रशान्ताः (praśāntāḥ) - peaceful, tranquil, calm

• सुखं (sukhaṁ) - happiness, joy, comfort

• आविशेयुः (āviśeyuḥ) - they would enter, they would attain, they would experience

• तेषां (teṣāṁ) - their, of them

• प्रशान्तिः (praśāntiḥ) - peace, tranquility, calm

• च (ca) - and, also

• हितं (hitaṁ) - beneficial, welfare, good

• प्रजानाम् (prajānām) - of the people, of the subjects, of the progeny

Words meanings and morphology

लब्ध्वा (labdhvā) - having obtained, having gained, having found

(indeclinable)

absolutive (gerund)

From root labh (class 1) using suffix -tvā for absolutive.

Root: labh (class 1)

हि (hi) - indeed, surely, for

(indeclinable)

राज्यं (rājyaṁ) - kingdom, reign

(noun)

Accusative, neuter, singular of rājya

rājya - kingdom, realm, sovereignty, reign

From rājan (king) with suffix -ya

पुरुषप्रवीराः (puruṣapravīrāḥ) - the Pandavas, who are mighty warriors (supreme heroes among men)

(noun)

Nominative, masculine, plural of puruṣapravīra

puruṣapravīra - supreme hero among men, excellent man

Compound type : tatpuruṣa (puruṣa+pravīra)

• puruṣa – man, human being, person, supreme cosmic person (puruṣa)
  noun (masculine)
• pravīra – excellent hero, mighty warrior, chief among heroes
  noun (masculine)
  Prefix: pra

सम्यक्प्रवृत्तेषु (samyakpravṛtteṣu) - when the adversaries (paresu) are properly behaved or inclined (when properly engaged, when rightly disposed, if they behave properly)

(adjective)

Locative, masculine, plural of samyakpravṛtta

samyakpravṛtta - properly engaged, rightly disposed, well-behaved

Past Passive Participle

Compound of samyak (properly) and pravṛtta (engaged, behaved). Pravṛtta itself from pra-vṛt.

Compound type : karmadhāraya (samyak+pravṛtta)

• samyak – properly, correctly, rightly, completely
  indeclinable
• pravṛtta – engaged, occupied, active, manifested, behaved
  adjective
  Past Passive Participle
  From root vṛt (to be, to exist, to turn) with prefix pra
  Prefix: pra
  Root: vṛt (class 1)

परेषु (pareṣu) - among the adversaries (Kauravas) (among others, regarding adversaries, to opponents)

(pronoun)

Locative, masculine, plural of para

para - other, another, adversary, opponent, supreme, distant

च (ca) - and, also

(indeclinable)

एव (eva) - only, just, indeed, precisely

(indeclinable)

ध्रुवं (dhruvaṁ) - certainly, surely, firmly

(indeclinable)

Note: Adverbial usage of neuter accusative singular.

प्रशान्ताः (praśāntāḥ) - peaceful, tranquil, calm

(adjective)

Nominative, masculine, plural of praśānta

praśānta - peaceful, tranquil, calm, pacified

Past Passive Participle

From root śam (to be calm) with prefix pra, suffix -ta.

Prefix: pra

Root: śam (class 1)

सुखं (sukhaṁ) - happiness, joy, comfort

(noun)

Accusative, neuter, singular of sukha

sukha - happiness, joy, comfort, pleasure, ease

आविशेयुः (āviśeyuḥ) - they would enter, they would attain, they would experience

(verb)

3rd person , plural, active, optative (liṅ) of ā-viś

Optative (liṅ)

From root viś (class 6) with prefix ā, optative mood, 3rd person plural, active voice.

Prefix: ā

Root: viś (class 6)

तेषां (teṣāṁ) - their, of them

(pronoun)

Genitive, masculine, plural of tad

tad - that, he, she, it

प्रशान्तिः (praśāntiḥ) - peace, tranquility, calm

(noun)

Nominative, feminine, singular of praśānti

praśānti - peace, tranquility, calm, cessation, quietude

From root śam (to be calm) with prefix pra, noun suffix -ti.

Prefix: pra

Root: śam (class 1)

च (ca) - and, also

(indeclinable)

हितं (hitaṁ) - beneficial, welfare, good

(adjective)

Nominative, neuter, singular of hita

hita - beneficial, salutary, good, welfare, suitable

Past Passive Participle

From root dhā (to place, hold), past passive participle

Root: dhā (class 3)

प्रजानाम् (prajānām) - of the people, of the subjects, of the progeny

(noun)

Genitive, feminine, plural of prajā

prajā - progeny, offspring, people, subjects, creation

From root jan (to be born) with prefix pra

Prefix: pra

Root: jan (class 4)