महाभारतः mahābhārataḥ - book-3, chapter-210, verse-6

दश वर्षसहस्राणि तपस्तप्त्वा महातपाः ।
जनयत्पावकं घोरं पितॄणां स प्रजाः सृजन् ॥६॥

6. daśa varṣasahasrāṇi tapastaptvā mahātapāḥ ,
janayatpāvakaṁ ghoraṁ pitṝṇāṁ sa prajāḥ sṛjan.

6. daśa varṣasahasrāṇi tapaḥ taptvā mahātapaḥ
janayat pāvakaṃ ghoraṃ pitṝṇām sa prajāḥ sṛjan

6. Having performed great asceticism (tapas) for ten thousand years, that great ascetic (mahātapas) generated a terrible fire while creating the progeny for the ancestors (pitṛs).

Words meanings summery:

• दश (daśa) - ten

• वर्षसहस्राणि (varṣasahasrāṇi) - thousands of years

• तपः (tapaḥ) - asceticism (tapas) (asceticism, penance)

• तप्त्वा (taptvā) - having performed, having heated

• महातपः (mahātapaḥ) - a great ascetic

• जनयत् (janayat) - he generated, he produced

• पावकं (pāvakaṁ) - fire (fire, purifying)

• घोरं (ghoraṁ) - terrible, dreadful

• पितॄणाम् (pitṝṇām) - of the ancestors (pitṛs) (of the ancestors, of the fathers)

• स (sa) - he, that

• प्रजाः (prajāḥ) - offspring, progeny, creatures

• सृजन् (sṛjan) - creating, generating

Words meanings and morphology

दश (daśa) - ten

(numeral)

Note: Qualifies 'varṣasahasrāṇi'.

वर्षसहस्राणि (varṣasahasrāṇi) - thousands of years

(noun)

Accusative, neuter, plural of varṣasahasra

varṣasahasra - thousand years

Compound type : tatpurusha (varṣa+sahasra)

• varṣa – year, rain
  noun (neuter)
• sahasra – thousand
  noun (neuter)

Note: Denotes duration of the action 'taptvā'.

तपः (tapaḥ) - asceticism (tapas) (asceticism, penance)

(noun)

Accusative, neuter, singular of tapas

tapas - asceticism, penance, spiritual fervor, heat

Note: Object of the gerund 'taptvā'.

तप्त्वा (taptvā) - having performed, having heated

(indeclinable)

Absolutive (Gerund)

Derived from root tap (to heat, practice asceticism) with suffix -tvā

Root: tap (class 1)

महातपः (mahātapaḥ) - a great ascetic

(noun)

Nominative, masculine, singular of mahātapas

mahātapas - great ascetic, one of great penance

Compound type : bahuvrihi (mahā+tapas)

• mahā – great, large
  adjective
• tapas – asceticism, penance
  noun (neuter)

Note: Subject of the sentence.

जनयत् (janayat) - he generated, he produced

(verb)

3rd person , singular, active, imperfect (laṅ) of jan

Imperfect tense, class 4 root

Root: jan (class 4)

Note: Main verb of the first part of the sentence.

पावकं (pāvakaṁ) - fire (fire, purifying)

(noun)

Accusative, masculine, singular of pāvaka

pāvaka - purifying, fire, Agni

Derived from root pū (to purify)

Root: pū (class 9)

Note: Object of 'janayat'.

घोरं (ghoraṁ) - terrible, dreadful

(adjective)

Accusative, masculine, singular of ghora

ghora - terrible, dreadful, awful, formidable

Note: Qualifies 'pāvakaṃ'.

पितॄणाम् (pitṝṇām) - of the ancestors (pitṛs) (of the ancestors, of the fathers)

(noun)

Genitive, masculine, plural of pitṛ

pitṛ - father, ancestor, Pitṛ (manes)

Note: Indicates for whom the progeny ('prajāḥ') were created.

स (sa) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers back to 'mahātapaḥ'.

प्रजाः (prajāḥ) - offspring, progeny, creatures

(noun)

Accusative, feminine, plural of prajā

prajā - progeny, offspring, people, subjects

Note: Object of the participle 'sṛjan'.

सृजन् (sṛjan) - creating, generating

(participle)

Nominative, masculine, singular of sṛjant

sṛjant - creating, generating

Present Active Participle

Derived from root sṛj (to create, emit) with suffix -at

Root: sṛj (class 6)