महाभारतः mahābhārataḥ - book-13, chapter-7, verse-16

प्रायोपवेशनाद्राज्यं सर्वत्र सुखमुच्यते ।
स्वर्गं सत्येन लभते दीक्षया कुलमुत्तमम् ॥१६॥

16. prāyopaveśanādrājyaṁ sarvatra sukhamucyate ,
svargaṁ satyena labhate dīkṣayā kulamuttamam.

16. prāyopaveśanāt rājyam sarvatra sukham ucyate
svargam satyena labhate dīkṣayā kulam uttamam

16. prāyopaveśanāt rājyam sarvatra sukham ucyate
satyena svargam labhate dīkṣayā uttamam kulam

16. Through fasting unto death, one gains sovereignty. Happiness is declared to be found everywhere. One obtains heaven (svarga) through truthfulness, and an excellent lineage through ritual initiation (dīkṣā).

Words meanings summery:

• प्रायोपवेशनात् (prāyopaveśanāt) - from fasting unto death, from sitting down to die

• राज्यम् (rājyam) - kingdom, sovereignty, rule

• सर्वत्र (sarvatra) - everywhere, in all places

• सुखम् (sukham) - happiness, joy, comfort

• उच्यते (ucyate) - is said, is called, is declared

• स्वर्गम् (svargam) - heaven, celestial world

• सत्येन (satyena) - by truth, through truthfulness

• लभते (labhate) - one obtains, one gets

• दीक्षया (dīkṣayā) - by initiation, through consecration, by a vow

• कुलम् (kulam) - family, lineage, race, clan

• उत्तमम् (uttamam) - excellent, best, highest, supreme

Words meanings and morphology

प्रायोपवेशनात् (prāyopaveśanāt) - from fasting unto death, from sitting down to die

(noun)

Ablative, neuter, singular of prāyopaveśana

prāyopaveśana - fasting unto death, sitting down to die, voluntary starvation

Compound of prāya (resolution to die) and upaveśana (sitting down).

Compound type : tatpuruṣa (prāya+upaveśana)

• prāya – intention, resolution, resolve to die, vow
  noun (masculine)
  Prefix: pra
  Root: i (class 2)
• upaveśana – sitting down, performing, entering
  noun (neuter)
  From upa- + viś (to enter, sit).
  Prefix: upa
  Root: viś (class 6)

Note: Indicates source or cause.

राज्यम् (rājyam) - kingdom, sovereignty, rule

(noun)

Nominative, neuter, singular of rājya

rājya - kingdom, reign, sovereignty, government

From rājan (king) + ya (suffix).

Root: rāj (class 1)

Note: Subject.

सर्वत्र (sarvatra) - everywhere, in all places

(indeclinable)

From sarva (all) + tral (suffix for place).

Note: Adverb of place.

सुखम् (sukham) - happiness, joy, comfort

(noun)

Nominative, neuter, singular of sukha

sukha - happiness, joy, pleasure, comfort, ease

From su (good) + kha (space/wheel-spoke hole, but etymology uncertain).

Note: Subject of 'ucyate'.

उच्यते (ucyate) - is said, is called, is declared

(verb)

3rd person , singular, passive, present (laṭ) of vac

Present Indicative, Third Person Singular, Passive Voice

From root vac (to speak), Passive form.

Root: vac (class 2)

स्वर्गम् (svargam) - heaven, celestial world

(noun)

Accusative, masculine, singular of svarga

svarga - heaven, celestial abode, paradise

From su (good) + gam (to go) or similar derivation.

Root: gam (class 1)

Note: Object of 'labhate'.

सत्येन (satyena) - by truth, through truthfulness

(noun)

Instrumental, neuter, singular of satya

satya - truth, truthfulness, reality, true

From sat (being, existence) + ya (suffix).

Root: as (class 2)

लभते (labhate) - one obtains, one gets

(verb)

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

Present Indicative, Third Person Singular, Middle Voice

From root labh (to obtain), Class 1, Middle Voice.

Root: labh (class 1)

दीक्षया (dīkṣayā) - by initiation, through consecration, by a vow

(noun)

Instrumental, feminine, singular of dīkṣā

dīkṣā - initiation, consecration, solemn vow, preparation for a ritual

From root dīkṣ (to consecrate).

Root: dīkṣ (class 1)

कुलम् (kulam) - family, lineage, race, clan

(noun)

Accusative, neuter, singular of kula

kula - family, lineage, race, community, clan, noble family

Note: Object of 'labhate'.

उत्तमम् (uttamam) - excellent, best, highest, supreme

(adjective)

Accusative, neuter, singular of uttama

uttama - highest, best, excellent, chief, supreme

Superlative of ud (up) or ut-tama.

Note: Qualifies 'kulam'.