महाभारतः mahābhārataḥ - book-3, chapter-88, verse-3

तत्र पुण्यतमं तीर्थं प्लक्षावतरणं शिवम् ।
यत्र सारस्वतैरिष्ट्वा गच्छन्त्यवभृथं द्विजाः ॥३॥

3. tatra puṇyatamaṁ tīrthaṁ plakṣāvataraṇaṁ śivam ,
yatra sārasvatairiṣṭvā gacchantyavabhṛthaṁ dvijāḥ.

3. tatra puṇyatamam tīrtham plakṣāvataraṇam śivam
yatra sārasvataiḥ iṣṭvā gacchanti avabhṛtham dvijāḥ

3. There, the most sacred and auspicious pilgrimage site (tīrtha) is Plakṣāvataraṇa, where the twice-born (dvija) perform a ritual (yajña) related to Sarasvatī and proceed to the concluding ritual bath (avabhṛtha).

Words meanings summery:

• तत्र (tatra) - there, in that place

• पुण्यतमम् (puṇyatamam) - most sacred, most virtuous, most auspicious

• तीर्थम् (tīrtham) - pilgrimage site, sacred bathing place, ford, holy place

• प्लक्षावतरणम् (plakṣāvataraṇam) - Plakṣāvataraṇa (name of a sacred place)

• शिवम् (śivam) - auspicious (auspicious, propitious, benevolent)

• यत्र (yatra) - where, in which place

• सारस्वतैः (sārasvataiḥ) - by those (rituals or people) related to Sarasvatī (by those related to Sarasvatī, by the Sarasvatas)

• इष्ट्वा (iṣṭvā) - having performed a ritual (yajña) (having sacrificed, having worshipped, having performed a ritual (yajña))

• गच्छन्ति (gacchanti) - they go, they proceed

• अवभृथम् (avabhṛtham) - the concluding ritual bath (of a yajña) (concluding bath, final purification ceremony)

• द्विजाः (dvijāḥ) - the twice-born (dvija), referring to Brahmins (the twice-born, Brahmins, birds, snakes)

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

पुण्यतमम् (puṇyatamam) - most sacred, most virtuous, most auspicious

(adjective)

Nominative, neuter, singular of puṇyatama

puṇyatama - most sacred, most virtuous, most auspicious

superlative suffix -tama added to puṇya

Note: Modifies tīrtham and śivam.

तीर्थम् (tīrtham) - pilgrimage site, sacred bathing place, ford, holy place

(noun)

Nominative, neuter, singular of tīrtha

tīrtha - pilgrimage site, sacred bathing place, ford, holy place

प्लक्षावतरणम् (plakṣāvataraṇam) - Plakṣāvataraṇa (name of a sacred place)

(proper noun)

Nominative, neuter, singular of plakṣāvataraṇa

plakṣāvataraṇa - Plakṣāvataraṇa (name of a sacred place)

Compound type : tatpurusha (plakṣa+avataraṇa)

• plakṣa – holy fig tree, Ficus infectoria
  noun (masculine)
• avataraṇa – descending, alighting, stepping down, place of descent
  noun (neuter)
  derived from root tṛ with ava- prefix
  Prefix: ava
  Root: tṛ (class 1)

शिवम् (śivam) - auspicious (auspicious, propitious, benevolent)

(adjective)

Nominative, neuter, singular of śiva

śiva - auspicious, propitious, benevolent

Note: Modifies tīrtham.

यत्र (yatra) - where, in which place

(indeclinable)

सारस्वतैः (sārasvataiḥ) - by those (rituals or people) related to Sarasvatī (by those related to Sarasvatī, by the Sarasvatas)

(adjective)

Instrumental, masculine, plural of sārasvata

sārasvata - relating to Sarasvatī, a descendant of Sarasvatī, a kind of Brahmin

derived from Sarasvatī

इष्ट्वा (iṣṭvā) - having performed a ritual (yajña) (having sacrificed, having worshipped, having performed a ritual (yajña))

(indeclinable)

absolutive

from root yaj, absolutiv

Root: yaj (class 1)

गच्छन्ति (gacchanti) - they go, they proceed

(verb)

3rd person , plural, active, present (laṭ) of gam

present active

3rd person plural present active indicative of root gam

Root: gam (class 1)

अवभृथम् (avabhṛtham) - the concluding ritual bath (of a yajña) (concluding bath, final purification ceremony)

(noun)

Accusative, neuter, singular of avabhṛtha

avabhṛtha - concluding bath, final purification ceremony

द्विजाः (dvijāḥ) - the twice-born (dvija), referring to Brahmins (the twice-born, Brahmins, birds, snakes)

(noun)

Nominative, masculine, plural of dvija

dvija - twice-born, Brahmin, bird, snake