महाभारतः mahābhārataḥ - book-13, chapter-2, verse-82

एषा हि तपसा स्वेन संयुक्ता ब्रह्मवादिनी ।
पावनार्थं च लोकस्य सरिच्छ्रेष्ठा भविष्यति ॥८२॥

82. eṣā hi tapasā svena saṁyuktā brahmavādinī ,
pāvanārthaṁ ca lokasya saricchreṣṭhā bhaviṣyati.

82. eṣā hi tapasā svena saṃyuktā brahmavādinī
pāvanārtham ca lokasya saritśreṣṭhā bhaviṣyati

82. hi eṣā svena tapasā saṃyuktā brahmavādinī ca
lokasya pāvanārtham saritśreṣṭhā bhaviṣyati

82. Indeed, this one is endowed with her own asceticism (tapas) and is eloquent in Vedic knowledge (brahmavādinī). And for the purification of the world, she will become the foremost of rivers.

Words meanings summery:

• एषा (eṣā) - this (feminine singular)

• हि (hi) - indeed, certainly, for

• तपसा (tapasā) - by asceticism, by penance

• स्वेन (svena) - by her own

• संयुक्ता (saṁyuktā) - endowed with, joined, connected

• ब्रह्मवादिनी (brahmavādinī) - speaker of (brahman), one who speaks of the Veda, eloquent in sacred knowledge

• पावनार्थम् (pāvanārtham) - for the purpose of purification, for purifying

• च (ca) - and

• लोकस्य (lokasya) - of the world, of the people

• सरित्श्रेष्ठा (saritśreṣṭhā) - best of rivers, foremost river

• भविष्यति (bhaviṣyati) - will be, will become

Words meanings and morphology

एषा (eṣā) - this (feminine singular)

(pronoun)

Nominative, feminine, singular of etad

etad - this

हि (hi) - indeed, certainly, for

(indeclinable)

तपसा (tapasā) - by asceticism, by penance

(noun)

Instrumental, neuter, singular of tapas

tapas - asceticism (tapas), penance, heat, religious austerity

स्वेन (svena) - by her own

(pronoun)

Instrumental, neuter, singular of sva

sva - own, one's own, self

Note: Agrees with tapasā (neuter instrumental singular)

संयुक्ता (saṁyuktā) - endowed with, joined, connected

(adjective)

Nominative, feminine, singular of saṃyukta

saṁyukta - joined, united, endowed with, connected

Past Passive Participle

Derived from root yuj (to join) with prefix sam-

Prefix: sam

Root: yuj (class 7)

ब्रह्मवादिनी (brahmavādinī) - speaker of (brahman), one who speaks of the Veda, eloquent in sacred knowledge

(noun)

Nominative, feminine, singular of brahmavādinī

brahmavādin - speaker of (brahman), one who speaks of the Veda, eloquent in sacred knowledge

Compound type : tatpuruṣa (brahman+vādin)

• brahman – sacred utterance, the Veda, the Absolute (brahman), ultimate reality
  noun (neuter)
• vādin – speaking, saying, speaker, advocate
  adjective (masculine)
  Agent Noun
  Derived from root vad (to speak)
  Root: vad (class 1)

पावनार्थम् (pāvanārtham) - for the purpose of purification, for purifying

(indeclinable)

Compound type : caturthī-tatpuruṣa (pāvana+artha)

• pāvana – purifying, cleansing, sacred
  adjective (neuter)
  Agent Noun
  Derived from root pū (to purify)
  Root: pū (class 1)
• artha – purpose, meaning, object, wealth
  noun (masculine)

Note: Used adverbially to denote purpose

च (ca) - and

(indeclinable)

लोकस्य (lokasya) - of the world, of the people

(noun)

Genitive, masculine, singular of loka

loka - world, realm, people

सरित्श्रेष्ठा (saritśreṣṭhā) - best of rivers, foremost river

(noun)

Nominative, feminine, singular of saritśreṣṭhā

saritśreṣṭha - best of rivers, foremost river

Compound type : ṣaṣṭhī-tatpuruṣa (sarit+śreṣṭha)

• sarit – river, stream
  noun (feminine)
• śreṣṭha – best, excellent, foremost
  adjective (masculine)

भविष्यति (bhaviṣyati) - will be, will become

(verb)

3rd person , singular, active, future (lṛṭ) of bhū

Future Tense

Third person singular active future tense

Root: bhū (class 1)