योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-28, verse-19

गिरिवर्षणमम्बुवर्षणं विविधोग्रायुधवर्षणं तथा ।
विषमाशनिवर्षणं च ते सममन्योन्यमथाग्निवर्षणम् ॥ १९ ॥

girivarṣaṇamambuvarṣaṇaṃ vividhogrāyudhavarṣaṇaṃ tathā ,
viṣamāśanivarṣaṇaṃ ca te samamanyonyamathāgnivarṣaṇam 19

19. girivarṣaṇam ambuvarṣaṇam vividhogrāyudhavarṣaṇam tathā
viṣamāśanivarṣaṇam ca te samam anyonyam atha agnivarṣaṇam

19. atha te anyonyam samam girivarṣaṇam ambuvarṣaṇam
vividhogrāyudhavarṣaṇam tathā viṣamāśanivarṣaṇam ca agnivarṣaṇam

19. Then, they (the gods and demons) showered each other simultaneously with rains of mountains, rains of water, rains of various fierce weapons, and similarly, rains of terrible thunderbolts, and rains of fire.

Words meanings summery:

• गिरिवर्षणम् (girivarṣaṇam) - a rain/shower of mountains

• अम्बुवर्षणम् (ambuvarṣaṇam) - a rain/shower of water

• विविधोग्रायुधवर्षणम् (vividhogrāyudhavarṣaṇam) - a rain/shower of various fierce weapons

• तथा (tathā) - similarly, thus, and also

• विषमाशनिवर्षणम् (viṣamāśanivarṣaṇam) - a rain/shower of terrible thunderbolts

• च (ca) - and

• ते (te) - They (the gods and demons who are the combatants). (they)

• समम् (samam) - simultaneously, together, equally

• अन्योन्यम् (anyonyam) - mutually, each other

• अथ (atha) - then, next

• अग्निवर्षणम् (agnivarṣaṇam) - a rain/shower of fire

Words meanings and morphology

गिरिवर्षणम् (girivarṣaṇam) - a rain/shower of mountains

(noun)

Accusative, neuter, singular of girivarṣaṇa

girivarṣaṇa - rain of mountains, shower of rocks

Compound type : Tatpurusha (giri+varṣaṇa)

• giri – mountain, hill
  noun (masculine)
• varṣaṇa – raining, showering, shedding
  noun (neuter)
  Verbal Noun
  Derived from the root 'vṛṣ' (to rain).
  Root: vṛṣ (class 1)

अम्बुवर्षणम् (ambuvarṣaṇam) - a rain/shower of water

(noun)

Accusative, neuter, singular of ambuvarṣaṇa

ambuvarṣaṇa - rain of water

Compound type : Tatpurusha (ambu+varṣaṇa)

• ambu – water
  noun (neuter)
• varṣaṇa – raining, showering, shedding
  noun (neuter)
  Verbal Noun
  Derived from the root 'vṛṣ' (to rain).
  Root: vṛṣ (class 1)

विविधोग्रायुधवर्षणम् (vividhogrāyudhavarṣaṇam) - a rain/shower of various fierce weapons

(noun)

Accusative, neuter, singular of vividhogrāyudhavarṣaṇa

vividhogrāyudhavarṣaṇa - rain of various fierce weapons

Compound type : Tatpurusha (vividha+ugra+āyudha+varṣaṇa)

• vividha – various, diverse, manifold
  adjective (masculine)
• ugra – fierce, terrible, violent, powerful
  adjective (masculine)
• āyudha – weapon, implement of war
  noun (neuter)
• varṣaṇa – raining, showering, shedding
  noun (neuter)
  Verbal Noun
  Derived from the root 'vṛṣ' (to rain).
  Root: vṛṣ (class 1)

तथा (tathā) - similarly, thus, and also

(indeclinable)

विषमाशनिवर्षणम् (viṣamāśanivarṣaṇam) - a rain/shower of terrible thunderbolts

(noun)

Accusative, neuter, singular of viṣamāśanivarṣaṇa

viṣamāśanivarṣaṇa - rain of terrible thunderbolts

Compound type : Tatpurusha (viṣama+aśani+varṣaṇa)

• viṣama – uneven, difficult, terrible, dangerous
  adjective (masculine)
• aśani – thunderbolt, lightning, Indra's weapon
  noun (masculine)
• varṣaṇa – raining, showering, shedding
  noun (neuter)
  Verbal Noun
  Derived from the root 'vṛṣ' (to rain).
  Root: vṛṣ (class 1)

च (ca) - and

(indeclinable)

ते (te) - They (the gods and demons who are the combatants). (they)

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it

समम् (samam) - simultaneously, together, equally

(indeclinable)

अन्योन्यम् (anyonyam) - mutually, each other

(indeclinable)

अथ (atha) - then, next

(indeclinable)

अग्निवर्षणम् (agnivarṣaṇam) - a rain/shower of fire

(noun)

Accusative, neuter, singular of agnivarṣaṇa

agnivarṣaṇa - rain of fire, shower of flames

Compound type : Tatpurusha (agni+varṣaṇa)

• agni – fire, sacrificial fire, god of fire
  noun (masculine)
• varṣaṇa – raining, showering, shedding
  noun (neuter)
  Verbal Noun
  Derived from the root 'vṛṣ' (to rain).
  Root: vṛṣ (class 1)