वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-45, verse-18

ततः स बाणासनशक्रकार्मुकः शरप्रवर्षो युधि राक्षसाम्बुदः ।
शरान्मुमोचाशु हरीश्वराचले बलाहको वृष्टिमिवाचलोत्तमे ॥१८॥

18. tataḥ sa bāṇāsanaśakrakārmukaḥ śarapravarṣo yudhi rākṣasāmbudaḥ ,
śarānmumocāśu harīśvarācale balāhako vṛṣṭimivācalottame.

18. tataḥ saḥ bāṇāśanaśakrakārmukaḥ
śarapravarṣaḥ yudhi rākṣasāmbudaḥ
śarān mumoca āśu harīśvarācale
balāhakaḥ vṛṣṭim iva acalottame

18. Then, that demon-cloud, wielding a bow like Indra's rainbow and showering arrows in battle, swiftly discharged arrows upon Hanumān, who stood like a towering mountain. He did this just as a rain cloud pours rain upon the highest mountain peak.

Words meanings summery:

• ततः (tataḥ) - then (indicating sequence) (then, thence, from that)

• सः (saḥ) - he (referring to Akṣa Kumāra, the demon) (he, that)

• बाणाशनशक्रकार्मुकः (bāṇāśanaśakrakārmukaḥ) - wielding a formidable bow like Indra's rainbow (having a bow like Indra's bow/rainbow)

• शरप्रवर्षः (śarapravarṣaḥ) - showering a deluge of arrows (showering arrows, a shower of arrows)

• युधि (yudhi) - in battle (in battle, in fight)

• राक्षसाम्बुदः (rākṣasāmbudaḥ) - the demon, likened to a cloud (a demon-cloud)

• शरान् (śarān) - arrows

• मुमोच (mumoca) - discharged (released, discharged)

• आशु (āśu) - swiftly (quickly, swiftly)

• हरीश्वराचले (harīśvarācale) - upon Hanumān, who was like a mountain (on the mountain of the lord of monkeys)

• बलाहकः (balāhakaḥ) - a rain cloud

• वृष्टिम् (vṛṣṭim) - rain (rain, shower)

• इव (iva) - just as (like, as, as if)

• अचलोत्तमे (acalottame) - upon the highest mountain peak (on the best of mountains, on the highest mountain peak)

Words meanings and morphology

ततः (tataḥ) - then (indicating sequence) (then, thence, from that)

(indeclinable)

ablative of demonstrative pronoun `tad` + suffix `tas`; used adverbially.

सः (saḥ) - he (referring to Akṣa Kumāra, the demon) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

बाणाशनशक्रकार्मुकः (bāṇāśanaśakrakārmukaḥ) - wielding a formidable bow like Indra's rainbow (having a bow like Indra's bow/rainbow)

(adjective)

Nominative, masculine, singular of bāṇāśanaśakrakārmuka

bāṇāśanaśakrakārmuka - having a bow like Indra's bow

Compound type : bahuvrīhi (bāṇāśana+śakra+kārmuka)

• bāṇāśana – bow (literally 'arrow-eater')
  noun (neuter)
• śakra – Indra
  proper noun (masculine)
• kārmuka – bow
  noun (neuter)

शरप्रवर्षः (śarapravarṣaḥ) - showering a deluge of arrows (showering arrows, a shower of arrows)

(adjective)

Nominative, masculine, singular of śarapravarṣa

śarapravarṣa - shower of arrows, raining arrows

`śara` (arrow) + `pravarṣa` (heavy rain)

Compound type : tatpurusha (śara+pravarṣa)

• śara – arrow
  noun (masculine)
• pravarṣa – heavy rain, shower
  noun (masculine)
  Prefix: pra
  Root: vṛṣ (class 1)

युधि (yudhi) - in battle (in battle, in fight)

(noun)

Locative, feminine, singular of yudh

yudh - battle, fight, war

Root: yudh (class 4)

राक्षसाम्बुदः (rākṣasāmbudaḥ) - the demon, likened to a cloud (a demon-cloud)

(noun)

Nominative, masculine, singular of rākṣasāmbuda

rākṣasāmbuda - demon-cloud

`rākṣasa` (demon) + `ambuda` (cloud)

Compound type : karmadhāraya (rākṣasa+ambuda)

• rākṣasa – demon, pertaining to a demon
  noun (masculine)
• ambuda – cloud (giver of water)
  noun (masculine)
  Root: da (class 1)

शरान् (śarān) - arrows

(noun)

Accusative, masculine, plural of śara

śara - arrow

Root: śṛ (class 9)

मुमोच (mumoca) - discharged (released, discharged)

(verb)

3rd person , singular, active, perfect (lit) of muc

perfect active (lit)

3rd person singular, perfect active

Root: muc (class 6)

आशु (āśu) - swiftly (quickly, swiftly)

(indeclinable)

Adverbial use of adjective.

हरीश्वराचले (harīśvarācale) - upon Hanumān, who was like a mountain (on the mountain of the lord of monkeys)

(noun)

Locative, masculine, singular of harīśvarācala

harīśvarācala - mountain of the lord of monkeys (referring to Hanumān)

`hari-īśvara-acala` (lord of monkeys' mountain)

Compound type : tatpurusha (hari+īśvara+acala)

• hari – monkey
  noun (masculine)
• īśvara – lord, master
  noun (masculine)
  Root: īś (class 2)
• acala – mountain, immovable
  noun (masculine)
  Prefix: a
  Root: cal (class 1)

Note: This locative case implies "upon Hanumān (who is like a mountain)".

बलाहकः (balāhakaḥ) - a rain cloud

(noun)

Nominative, masculine, singular of balāhaka

balāhaka - cloud, rain cloud

From `bala` (strength, power) + `āhaka` (puller, bringer), or possibly referring to `bala` (water).

वृष्टिम् (vṛṣṭim) - rain (rain, shower)

(noun)

Accusative, feminine, singular of vṛṣṭi

vṛṣṭi - rain, showering

From root `vṛṣ` (to rain)

Root: vṛṣ (class 1)

इव (iva) - just as (like, as, as if)

(indeclinable)

Particle of comparison.

अचलोत्तमे (acalottame) - upon the highest mountain peak (on the best of mountains, on the highest mountain peak)

(noun)

Locative, masculine, singular of acalottama

acalottama - best of mountains, highest mountain

`acala` (mountain) + `uttama` (best)

Compound type : tatpurusha (acala+uttama)

• acala – mountain, immovable
  noun (masculine)
  Prefix: a
  Root: cal (class 1)
• uttama – best, highest, supreme
  adjective (masculine)
  Superlative of `ud`
  Prefix: ut