महाभारतः mahābhārataḥ - book-13, chapter-101, verse-7

तत्र तौ कथयामास्तां कथा नानाविधाश्रयाः ।
ब्रह्मर्षिदेवदैत्यानां पुराणानां महात्मनाम् ॥७॥

7. tatra tau kathayāmāstāṁ kathā nānāvidhāśrayāḥ ,
brahmarṣidevadaityānāṁ purāṇānāṁ mahātmanām.

7. tatra tau kathayāmāstām kathāḥ nānāvidhāśrayāḥ
brahmarṣidevadaiśyānām purāṇānām mahātmanām

7. There, the two of them narrated diverse stories concerning brahmin sages (brahmarṣi), gods, demons, and great ancient beings.

Words meanings summery:

• तत्र (tatra) - there, in that place

• तौ (tau) - Manu and the brahmin (those two, they two)

• कथयामास्ताम् (kathayāmāstām) - they two narrated, they two told

• कथाः (kathāḥ) - stories, tales, narratives

• नानाविधाश्रयाः (nānāvidhāśrayāḥ) - of various kinds, having diverse supports/bases

• ब्रह्मर्षिदेवदैश्यानाम् (brahmarṣidevadaiśyānām) - of brahmin sages, gods, and demons

• पुराणानाम् (purāṇānām) - of the ancient ones, of ancient things/stories

• महात्मनाम् (mahātmanām) - of great souls, of noble beings

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

From tad + tral suffix

तौ (tau) - Manu and the brahmin (those two, they two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

कथयामास्ताम् (kathayāmāstām) - they two narrated, they two told

(verb)

3rd person , dual, active, perfect (periphrastic) (lit) of kathayāmāstām

Periphrastic Perfect active 3rd dual

Formed with a noun/root kathayā (from causative of kath, or direct root in -aya) and perfect form of as (to be). kathayām is a common form used with ās or kṛ for periphrastic perfect.

Root: kath (class 10)

Note: Formed by the accusative of a verbal noun in -ām + a perfect tense of as 'to be' or kṛ 'to do'.

कथाः (kathāḥ) - stories, tales, narratives

(noun)

Accusative, feminine, plural of kathā

kathā - story, tale, narrative, discourse

From root kath 'to tell'

Root: kath (class 10)

नानाविधाश्रयाः (nānāvidhāśrayāḥ) - of various kinds, having diverse supports/bases

(adjective)

Nominative, feminine, plural of nānāvidhāśraya

nānāvidhāśraya - having various kinds, diverse in nature

Compound

Compound type : bahuvrihi (nānāvidha+āśraya)

• nānāvidha – various, diverse, of many kinds
  adjective (neuter)
  From nānā 'various' + vidha 'kind'
• āśraya – refuge, support, basis, abode, recourse
  noun (masculine)
  From ā + śri 'to resort to, lean on'
  Prefix: ā
  Root: śri (class 1)

Note: In apposition to 'kathāḥ' or adjective to it.

ब्रह्मर्षिदेवदैश्यानाम् (brahmarṣidevadaiśyānām) - of brahmin sages, gods, and demons

(noun)

Genitive, masculine, plural of brahmarṣidevadaiśya

brahmarṣidevadaiśya - relating to brahmin sages, gods, and demons

Dwandwa compound

Compound type : dvandva (brahmarṣi+deva+daitya)

• brahmarṣi – brahmin sage, a sage of the brahmin class
  noun (masculine)
  Compound of Brahman + ṛṣi
• deva – god, deity
  noun (masculine)
  From div 'to shine'
  Root: div (class 1)
• daitya – demon, son of Diti
  noun (masculine)
  From Diti + ya (patronymic suffix)

Note: Refers to the subjects of the stories.

पुराणानाम् (purāṇānām) - of the ancient ones, of ancient things/stories

(adjective)

Genitive, masculine, plural of purāṇa

purāṇa - ancient, old, traditional, Puranas (sacred texts)

From purā 'formerly' + ana suffix

Note: Can modify 'mahātmanām' or refer to 'ancient lore/beings' itself in genitive plural.

महात्मनाम् (mahātmanām) - of great souls, of noble beings

(noun)

Genitive, masculine, plural of mahātman

mahātman - great soul, noble-minded, exalted, eminent person

Compound

Compound type : karmadhāraya (mahat+ātman)

• mahat – great, large, vast
  adjective (neuter)
• ātman – self (ātman), soul, essence, spirit, mind
  noun (masculine)
  Root: an (class 2)

Note: Refers to the great personalities who are subjects of the stories.