महाभारतः mahābhārataḥ - book-1, chapter-217, verse-19

ततोऽक्षमात्रा विसृजन्धाराः शतसहस्रशः ।
अभ्यवर्षत्सहस्राक्षः पावकं खाण्डवं प्रति ॥१९॥

19. tato'kṣamātrā visṛjandhārāḥ śatasahasraśaḥ ,
abhyavarṣatsahasrākṣaḥ pāvakaṁ khāṇḍavaṁ prati.

19. tataḥ akṣamātrāḥ visṛjan dhārāḥ śatasahasraśaḥ
abhyavarṣat sahasrākṣaḥ pāvakam khāṇḍavam prati

19. Then, the thousand-eyed (Sahasrākṣa) Indra, pouring forth hundreds of thousands of immense rain torrents (literally: "of the measure of an axle"), heavily rained upon the Khāṇḍava fire.

Words meanings summery:

• ततः (tataḥ) - then, thereafter

• अक्षमात्राः (akṣamātrāḥ) - of the measure of an axle, large (drops)

• विसृजन् (visṛjan) - releasing, letting go, pouring forth

• धाराः (dhārāḥ) - streams, torrents (of rain)

• शतसहस्रशः (śatasahasraśaḥ) - by hundreds of thousands, in hundreds of thousands

• अभ्यवर्षत् (abhyavarṣat) - he rained upon

• सहस्राक्षः (sahasrākṣaḥ) - the thousand-eyed one, Indra

• पावकम् (pāvakam) - the fire

• खाण्डवम् (khāṇḍavam) - the Khāṇḍava (forest)

• प्रति (prati) - towards, against, upon

Words meanings and morphology

ततः (tataḥ) - then, thereafter

(indeclinable)

Pratyaya 'tas' added to 'tad'

अक्षमात्राः (akṣamātrāḥ) - of the measure of an axle, large (drops)

(adjective)

Nominative, feminine, plural of akṣamātra

akṣamātra - of the measure of an axle, of the size of an eye, large

Compound type : tatpuruṣa/bahuvrīhi (akṣa+mātra)

• akṣa – axle, dice, eye
  noun (masculine/neuter)
• mātra – measure, quantity, extent, merely, only
  noun/adjective (neuter)
  Root: mā (class 3)

Note: Qualifies dhārāḥ.

विसृजन् (visṛjan) - releasing, letting go, pouring forth

(participle)

Nominative, masculine, singular of sṛj

sṛj - to create, emit, release

present active participle

Present active participle 1st class root sṛj with prefix vi-

Prefix: vi

Root: sṛj (class 6)

धाराः (dhārāḥ) - streams, torrents (of rain)

(noun)

Accusative, feminine, plural of dhārā

dhārā - stream, current, torrent, shower of rain

Root: dhṛ (class 1)

Note: Object of visṛjan.

शतसहस्रशः (śatasahasraśaḥ) - by hundreds of thousands, in hundreds of thousands

(indeclinable)

Suffix -śas expressing distribution or manner

अभ्यवर्षत् (abhyavarṣat) - he rained upon

(verb)

3rd person , singular, active, past imperfect (laṅ) of vṛṣ

imperfect tense (laṅ)

Imperfect tense 3rd person singular, parasmaipada of root vṛṣ with prefix abhi-

Prefix: abhi

Root: vṛṣ (class 1)

Note: 'a-' is augment for past tense.

सहस्राक्षः (sahasrākṣaḥ) - the thousand-eyed one, Indra

(noun)

Nominative, masculine, singular of sahasrākṣa

sahasrākṣa - thousand-eyed, Indra

Compound type : bahuvrīhi (sahasra+akṣa)

• sahasra – thousand
  numeral (neuter)
• akṣa – eye
  noun (masculine/neuter)

Note: Refers to Indra.

पावकम् (pāvakam) - the fire

(noun)

Accusative, masculine, singular of pāvaka

pāvaka - fire, purifier

Root: pū (class 1)

Note: Object of abhyavarṣat.

खाण्डवम् (khāṇḍavam) - the Khāṇḍava (forest)

(proper noun)

Accusative, neuter, singular of khāṇḍava

khāṇḍava - belonging to Khaṇḍava, the Khāṇḍava forest

Note: Qualifies pāvakam.

प्रति (prati) - towards, against, upon

(indeclinable)