महाभारतः mahābhārataḥ - book-9, chapter-16, verse-2

ततः स शरवर्षेण पर्जन्य इव वृष्टिमान् ।
अभ्यवर्षदमेयात्मा क्षत्रियान्क्षत्रियर्षभः ॥२॥

2. tataḥ sa śaravarṣeṇa parjanya iva vṛṣṭimān ,
abhyavarṣadameyātmā kṣatriyānkṣatriyarṣabhaḥ.

2. tataḥ saḥ śaravarṣeṇa parjanyaḥ iva vṛṣṭimān
abhyavarṣat ameyātmā kṣatriyān kṣatriyarṣabhaḥ

2. tataḥ saḥ ameyātmā kṣatriyarṣabhaḥ vṛṣṭimān
parjanyaḥ iva śaravarṣeṇa kṣatriyān abhyavarṣat

2. Then he, whose spirit (ātman) was immeasurable and who was the best among Kṣatriyas, rained arrows upon the Kṣatriyas like a rain-bearing cloud.

Words meanings summery:

• ततः (tataḥ) - then, thereafter, from that

• सः (saḥ) - he, that

• शरवर्षेण (śaravarṣeṇa) - with a shower of arrows

• पर्जन्यः (parjanyaḥ) - rain-cloud, god of rain

• इव (iva) - like, as, as if

• वृष्टिमान् (vṛṣṭimān) - rain-bearing, having rain

• अभ्यवर्षत् (abhyavarṣat) - rained upon, showered

• अमेयात्मा (ameyātmā) - of immeasurable spirit (ātman), having an immeasurable nature

• क्षत्रियान् (kṣatriyān) - Kṣatriyas (members of the warrior class)

• क्षत्रियर्षभः (kṣatriyarṣabhaḥ) - best of Kṣatriyas, foremost Kṣatriya

Words meanings and morphology

ततः (tataḥ) - then, thereafter, from that

(indeclinable)

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

शरवर्षेण (śaravarṣeṇa) - with a shower of arrows

(noun)

Instrumental, neuter, singular of śaravarṣa

śaravarṣa - shower of arrows

Compound type : tatpuruṣa (śara+varṣa)

• śara – arrow
  noun (masculine)
• varṣa – rain, shower
  noun (masculine)
  From root vṛṣ (वृष्) 'to rain'
  Root: vṛṣ (class 1)

पर्जन्यः (parjanyaḥ) - rain-cloud, god of rain

(noun)

Nominative, masculine, singular of parjanya

parjanya - rain-cloud, god of rain, storm-cloud

इव (iva) - like, as, as if

(indeclinable)

वृष्टिमान् (vṛṣṭimān) - rain-bearing, having rain

(adjective)

Nominative, masculine, singular of vṛṣṭimat

vṛṣṭimat - rainy, showering, bringing rain

Derived from vṛṣṭi (rain) + matup (possessive suffix)

अभ्यवर्षत् (abhyavarṣat) - rained upon, showered

(verb)

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

Imperfect tense, 3rd person singular

From upasargas abhi (अभि) + ā (आ) + root vṛṣ (वृष्) 'to rain'

Prefixes: abhi+ā

Root: vṛṣ (class 1)

अमेयात्मा (ameyātmā) - of immeasurable spirit (ātman), having an immeasurable nature

(adjective)

Nominative, masculine, singular of ameyātman

ameyātman - of immeasurable spirit (ātman), whose essence is immeasurable, great-souled

Compound type : bahuvrīhi (ameya+ātman)

• ameya – immeasurable, unlimited, boundless
  adjective (neuter)
  Gerundive/Future Passive Participle
  From a (अ, negative prefix) + meya (measurable)
  Prefix: a
  Root: mā (class 2)
• ātman – self, soul, spirit, essence, mind, body
  noun (masculine)
  Root: an (class 2)

क्षत्रियान् (kṣatriyān) - Kṣatriyas (members of the warrior class)

(noun)

Accusative, masculine, plural of kṣatriya

kṣatriya - member of the warrior class, noble, ruler

क्षत्रियर्षभः (kṣatriyarṣabhaḥ) - best of Kṣatriyas, foremost Kṣatriya

(noun)

Nominative, masculine, singular of kṣatriyarṣabha

kṣatriyarṣabha - best of Kṣatriyas, excellent warrior

Compound type : tatpuruṣa (kṣatriya+ṛṣabha)

• kṣatriya – member of the warrior class, noble, ruler
  noun (masculine)
• ṛṣabha – bull, best, excellent, foremost
  noun (masculine)