महाभारतः mahābhārataḥ - book-1, chapter-133, verse-6

तत्र केचिद्ब्रुवन्ति स्म ब्राह्मणा निर्भयास्तदा ।
शोचमानाः पाण्डुपुत्रानतीव भरतर्षभ ॥६॥

6. tatra kecidbruvanti sma brāhmaṇā nirbhayāstadā ,
śocamānāḥ pāṇḍuputrānatīva bharatarṣabha.

6. tatra kecit bruvanti sma brāhmaṇāḥ nirbhayāḥ
tadā śocamānāḥ pāṇḍuputrān atīva bharatarṣabha

6. At that time, O bull among the Bharatas, some fearless Brahmins, deeply grieving for the sons of Pāṇḍu, were speaking.

Words meanings summery:

• तत्र (tatra) - there, then

• केचित् (kecit) - some, certain ones

• ब्रुवन्ति (bruvanti) - they say

• स्म (sma) - (historical particle, turns present tense into past imperfect)

• ब्राह्मणाः (brāhmaṇāḥ) - Brahmins

• निर्भयाः (nirbhayāḥ) - fearless, without fear

• तदा (tadā) - then, at that time

• शोचमानाः (śocamānāḥ) - lamenting, grieving

• पाण्डुपुत्रान् (pāṇḍuputrān) - the sons of Pāṇḍu, Pāṇḍavas

• अतीव (atīva) - exceedingly, greatly

• भरतर्षभ (bharatarṣabha) - addressed to Dhṛtarāṣṭra or the narrator (O bull of the Bhāratas (O best of Bhāratas))

Words meanings and morphology

तत्र (tatra) - there, then

(indeclinable)

केचित् (kecit) - some, certain ones

(pronoun)

Nominative, masculine, plural of kimcid

kimcid - some, a certain (when used with cit)

ब्रुवन्ति (bruvanti) - they say

(verb)

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

Root: brū (class 2)

स्म (sma) - (historical particle, turns present tense into past imperfect)

(indeclinable)

ब्राह्मणाः (brāhmaṇāḥ) - Brahmins

(noun)

Nominative, masculine, plural of brāhmaṇa

brāhmaṇa - a Brahmin, one belonging to the priestly class

निर्भयाः (nirbhayāḥ) - fearless, without fear

(adjective)

Nominative, masculine, plural of nirbhaya

nirbhaya - fearless, intrepid, without fear

Compound type : Bahuvrīhi (nir+bhaya)

• nir – without, devoid of
  prefix
• bhaya – fear, alarm, dread
  noun (neuter)

तदा (tadā) - then, at that time

(indeclinable)

शोचमानाः (śocamānāḥ) - lamenting, grieving

(adjective)

Nominative, masculine, plural of śocamāna

śocamāna - lamenting, grieving, sorrowing

Present Middle Participle

formed from root śuc with śānac suffix

Root: śuc (class 1)

पाण्डुपुत्रान् (pāṇḍuputrān) - the sons of Pāṇḍu, Pāṇḍavas

(noun)

Accusative, masculine, plural of pāṇḍuputra

pāṇḍuputra - son of Pāṇḍu

Compound type : Tatpuruṣa (pāṇḍu+putra)

• pāṇḍu – name of Pāṇḍu, father of the Pāṇḍavas
  proper noun (masculine)
• putra – son
  noun (masculine)

अतीव (atīva) - exceedingly, greatly

(indeclinable)

भरतर्षभ (bharatarṣabha) - addressed to Dhṛtarāṣṭra or the narrator (O bull of the Bhāratas (O best of Bhāratas))

(noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - bull among Bhāratas, best of the Bhāratas

Compound type : Tatpuruṣa (bharata+ṛṣabha)

• bharata – descendant of Bharata, an ancient king; a Bhārata
  proper noun (masculine)
• ṛṣabha – bull, chief, excellent one, best
  noun (masculine)