महाभारतः mahābhārataḥ - book-7, chapter-166, verse-59

तं शब्दं पाण्डवाः श्रुत्वा पर्जन्यनिनदोपमम् ।
समेत्य रथिनां श्रेष्ठाः सहिताः संन्यमन्त्रयन् ॥५९॥

59. taṁ śabdaṁ pāṇḍavāḥ śrutvā parjanyaninadopamam ,
sametya rathināṁ śreṣṭhāḥ sahitāḥ saṁnyamantrayan.

59. tam śabdam pāṇḍavāḥ śrutvā parjanyanindopamam
sametya rathinām śreṣṭhāḥ sahitāḥ saṃnyamantrayan

59. parjanyanindopamam tam śabdam śrutvā,
rathinām śreṣṭhāḥ sahitāḥ pāṇḍavāḥ sametya saṃnyamantrayan

59. Having heard that sound, which was like the roar of a thundercloud, the Pāṇḍavas, the foremost among charioteers, assembled together and consulted.

Words meanings summery:

• तम् (tam) - that (sound) (that, him, it)

• शब्दम् (śabdam) - sound, noise

• पाण्डवाः (pāṇḍavāḥ) - the sons of Pāṇḍu, the Pāṇḍavas

• श्रुत्वा (śrutvā) - having heard

• पर्जन्यनिन्दोपमम् (parjanyanindopamam) - like the roar of a thundercloud

• समेत्य (sametya) - having met, having assembled, having come together

• रथिनाम् (rathinām) - of charioteers

• श्रेष्ठाः (śreṣṭhāḥ) - the best, the most excellent, foremost

• सहिताः (sahitāḥ) - united, accompanied, together

• संन्यमन्त्रयन् (saṁnyamantrayan) - they deliberated, they consulted

Words meanings and morphology

तम् (tam) - that (sound) (that, him, it)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Modifies 'śabdam'.

शब्दम् (śabdam) - sound, noise

(noun)

Accusative, masculine, singular of śabda

śabda - sound, noise, word

पाण्डवाः (pāṇḍavāḥ) - the sons of Pāṇḍu, the Pāṇḍavas

(proper noun)

Nominative, masculine, plural of pāṇḍava

pāṇḍava - descendant of Pāṇḍu

patronymic from Pāṇḍu

Note: Refers to the five Pāṇḍava brothers.

श्रुत्वा (śrutvā) - having heard

(indeclinable)

Absolutive (Gerund)

from root śru with suffix -tvā

Root: śru (class 5)

Note: Used to indicate an action completed before the main verb.

पर्जन्यनिन्दोपमम् (parjanyanindopamam) - like the roar of a thundercloud

(adjective)

Accusative, masculine, singular of parjanyanindopama

parjanyanindopama - resembling the roar of a thundercloud

Compound type : upama (parjanya+ninada+upama)

• parjanya – rain-cloud, thundercloud, god of rain
  noun (masculine)
• ninada – sound, roar, cry
  noun (masculine)
  Root: nad (class 1)
• upama – comparison, simile, resemblance, like
  adjective (feminine)

Note: Modifies 'śabdam'.

समेत्य (sametya) - having met, having assembled, having come together

(indeclinable)

Absolutive (Gerund)

from root i with upasarga sam, and suffix -tya (used after prefixes)

Prefix: sam

Root: i (class 2)

रथिनाम् (rathinām) - of charioteers

(noun)

Genitive, masculine, plural of rathin

rathin - a charioteer, a warrior fighting from a chariot

Note: Qualifies 'śreṣṭhāḥ'.

श्रेष्ठाः (śreṣṭhāḥ) - the best, the most excellent, foremost

(adjective)

Nominative, masculine, plural of śreṣṭha

śreṣṭha - best, most excellent, chief, principal

superlative of praśasya (praśasta)

Note: Refers to the Pāṇḍavas.

सहिताः (sahitāḥ) - united, accompanied, together

(adjective)

Nominative, masculine, plural of sahita

sahita - accompanied by, connected with, united, together

Past Passive Participle

from root dhā (to place) with prefix sa- (for sam), but often treated as an adjective meaning 'together'

Note: Refers to the Pāṇḍavas.

संन्यमन्त्रयन् (saṁnyamantrayan) - they deliberated, they consulted

(verb)

3rd person , plural, active, past imperfect (laṅ) of mantr

Imperfect Tense, Plural, Active Voice

root mantr (denominative from mantra), with upasargas sam + ni, 3rd person plural, imperfect (laṅ)

Prefixes: sam+ni

Root: mantr (class 10)