महाभारतः mahābhārataḥ - book-3, chapter-83, verse-76

तत्राभिषेकं यः कुर्यात्संगमे संशितव्रतः ।
पुण्यं स फलमाप्नोति राजसूयाश्वमेधयोः ॥७६॥

76. tatrābhiṣekaṁ yaḥ kuryātsaṁgame saṁśitavrataḥ ,
puṇyaṁ sa phalamāpnoti rājasūyāśvamedhayoḥ.

76. tatra abhiṣekam yaḥ kuryāt saṅgame saṃśitavrataḥ
puṇyam sa phalam āpnoti rājasūyāśvamedhayoḥ

76. Whoever performs an ablution there at the confluence (saṅgama) with firm vows (vrata) obtains the merit (puṇya) and fruit of the Rājasūya and Aśvamedha Vedic rituals (yajña).

Words meanings summery:

• तत्र (tatra) - there, in that place

• अभिषेकम् (abhiṣekam) - ablution, ritual bath

• यः (yaḥ) - who, whoever

• कुर्यात् (kuryāt) - should do, may do, performs

• सङ्गमे (saṅgame) - at the confluence (saṅgama) (at the confluence, at the meeting point)

• संशितव्रतः (saṁśitavrataḥ) - with firm vows (vrata) (one with firm vows, one whose vows are sharpened)

• पुण्यम् (puṇyam) - merit (puṇya) (merit, virtue, good deed (as a result))

• स (sa) - he, that (person)

• फलम् (phalam) - fruit, result

• आप्नोति (āpnoti) - obtains, achieves, reaches

• राजसूयाश्वमेधयोः (rājasūyāśvamedhayoḥ) - of the Rājasūya and Aśvamedha sacrifices (yajña) (of the Rājasūya and Aśvamedha sacrifices)

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

Derived from the pronoun tad-.

अभिषेकम् (abhiṣekam) - ablution, ritual bath

(noun)

Accusative, masculine, singular of abhiṣeka

abhiṣeka - ablution, sprinkling, anointing, consecration

From root sic- 'to sprinkle' with upasarga abhi-.

Prefix: abhi

Root: sic (class 6)

यः (yaḥ) - who, whoever

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what

Relative pronoun.

कुर्यात् (kuryāt) - should do, may do, performs

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of kṛ

Optative

Optative mood, active voice.

Root: kṛ (class 8)

सङ्गमे (saṅgame) - at the confluence (saṅgama) (at the confluence, at the meeting point)

(noun)

Locative, masculine, singular of saṅgama

saṅgama - confluence, meeting, union, junction

From root gam- 'to go' with upasarga saṃ-.

Prefix: sam

Root: gam (class 1)

संशितव्रतः (saṁśitavrataḥ) - with firm vows (vrata) (one with firm vows, one whose vows are sharpened)

(adjective)

Nominative, masculine, singular of saṃśitavrata

saṁśitavrata - one whose vows are firm, resolute in vows, with strict observances

Bahuvrīhi compound: saṃśita (sharpened, firm) + vrata (vow, observance).

Compound type : bahuvrīhi (saṃśita+vrata)

• saṃśita – sharpened, firm, disciplined
  adjective
  Past Passive Participle
  From root śo- / śā- 'to sharpen' with upasarga saṃ-.
  Prefix: sam
  Root: śā (class 2)
• vrata – vow, sacred observance, religious practice
  noun (neuter)

Note: Agrees with yaḥ.

पुण्यम् (puṇyam) - merit (puṇya) (merit, virtue, good deed (as a result))

(noun)

Accusative, neuter, singular of puṇya

puṇya - virtue, merit, sacred, holy, good deed

स (sa) - he, that (person)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun, masculine nominative singular.

Note: Refers back to yaḥ.

फलम् (phalam) - fruit, result

(noun)

Accusative, neuter, singular of phala

phala - fruit, result, consequence, reward

आप्नोति (āpnoti) - obtains, achieves, reaches

(verb)

3rd person , singular, active, present (laṭ) of āp

Present

From root āp- 'to obtain', present active.

Prefix: ā

Root: āp (class 5)

राजसूयाश्वमेधयोः (rājasūyāśvamedhayoḥ) - of the Rājasūya and Aśvamedha sacrifices (yajña) (of the Rājasūya and Aśvamedha sacrifices)

(noun)

Genitive, masculine, dual of rājasūyāśvamedha

rājasūyāśvamedha - Rājasūya and Aśvamedha (names of two major Vedic sacrifices)

Dvandva compound of Rājasūya and Aśvamedha.

Compound type : dvandva (rājasūya+aśvamedha)

• rājasūya – a great sacrifice performed by a universal monarch (Rājā)
  noun (masculine)
• aśvamedha – horse sacrifice, a major Vedic ritual
  noun (masculine)

Note: Dual form for 'of both Rājasūya and Aśvamedha.'