महाभारतः mahābhārataḥ - book-2, chapter-38, verse-39

गाथामप्यत्र गायन्ति ये पुराणविदो जनाः ।
भीष्म यां तां च ते सम्यक्कथयिष्यामि भारत ॥३९॥

39. gāthāmapyatra gāyanti ye purāṇavido janāḥ ,
bhīṣma yāṁ tāṁ ca te samyakkathayiṣyāmi bhārata.

39. gāthām api atra gāyanti ye purāṇavidaḥ janāḥ
bhīṣma yām tām ca te samyak kathayiṣyāmi bhārata

39. O Bhishma, O Bhārata, I will fully recount to you that ancient verse which those who know the Puranas recite concerning this matter.

Words meanings summery:

• गाथाम् (gāthām) - a verse (ancient saying) (verse, song, tale)

• अपि (api) - also (even, also, too)

• अत्र (atra) - in this matter (here, in this matter)

• गायन्ति (gāyanti) - they recite (they sing, they recite)

• ये (ye) - those who (who (plural))

• पुराणविदः (purāṇavidaḥ) - people who know the Puranas (knowers of ancient lore, those versed in Puranas)

• जनाः (janāḥ) - people (people, men)

• भीष्म (bhīṣma) - O Bhishma (Bhishma)

• याम् (yām) - which (verse) (which)

• ताम् (tām) - that (verse) (that)

• च (ca) - and

• ते (te) - to you (Bhishma) (to you, for you)

• सम्यक् (samyak) - fully (properly, thoroughly, completely)

• कथयिष्यामि (kathayiṣyāmi) - I will recount (I will tell, I will narrate)

• भारत (bhārata) - O descendant of Bharata (referring to Bhishma) (O descendant of Bharata)

Words meanings and morphology

गाथाम् (gāthām) - a verse (ancient saying) (verse, song, tale)

(noun)

Accusative, feminine, singular of gāthā

gāthā - verse, song, ancient saying, tale

अपि (api) - also (even, also, too)

(indeclinable)

अत्र (atra) - in this matter (here, in this matter)

(indeclinable)

गायन्ति (gāyanti) - they recite (they sing, they recite)

(verb)

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

Root: gai (class 1)

ये (ye) - those who (who (plural))

(pronoun)

Nominative, masculine, plural of yad

yad - who, which, what

Note: Relative pronoun.

पुराणविदः (purāṇavidaḥ) - people who know the Puranas (knowers of ancient lore, those versed in Puranas)

(adjective)

Nominative, masculine, plural of purāṇavid

purāṇavid - knower of ancient lore, one versed in Puranas

Compound type : tatpuruṣa (purāṇa+vid)

• purāṇa – ancient, old; (as noun) ancient lore, a Purana
  noun (neuter)
• vid – knower, learned
  noun (masculine)
  agent noun
  Derived from root vid (to know)
  Root: vid (class 2)

Note: Agrees with janāḥ.

जनाः (janāḥ) - people (people, men)

(noun)

Nominative, masculine, plural of jana

jana - person, people, man

भीष्म (bhīṣma) - O Bhishma (Bhishma)

(proper noun)

Vocative, masculine, singular of bhīṣma

bhīṣma - Bhishma (proper name), terrible, formidable

याम् (yām) - which (verse) (which)

(pronoun)

Accusative, feminine, singular of yad

yad - who, which, what

Note: Relative pronoun, refers to gāthām.

ताम् (tām) - that (verse) (that)

(pronoun)

Accusative, feminine, singular of tad

tad - that, her, it

Note: Demonstrative pronoun, refers to gāthām.

च (ca) - and

(indeclinable)

ते (te) - to you (Bhishma) (to you, for you)

(pronoun)

Dative, singular of yuṣmad

yuṣmad - you

Note: This is the enclitic dative/genitive singular form of yuṣmad.

सम्यक् (samyak) - fully (properly, thoroughly, completely)

(indeclinable)

कथयिष्यामि (kathayiṣyāmi) - I will recount (I will tell, I will narrate)

(verb)

1st person , singular, active, future (lṛṭ) of kathay

Causative stem from root kath

Root: kath (class 10)

भारत (bhārata) - O descendant of Bharata (referring to Bhishma) (O descendant of Bharata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata, an Indian, a warrior

Patronymic from Bharata