वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-37, verse-30

शतैः शतसहस्रैश्च कोटिभिश्च प्लवंगमाः ।
अयुतैश्चावृता वीरा शङ्कुभिश्च परंतप ॥३०॥

30. śataiḥ śatasahasraiśca koṭibhiśca plavaṃgamāḥ ,
ayutaiścāvṛtā vīrā śaṅkubhiśca paraṃtapa.

30. śataiḥ śatasahasraiḥ ca koṭibhiḥ ca plavaṅgamāḥ
ayutaiḥ ca āvṛtāḥ vīrāḥ śaṅkubhiḥ ca paraṃtapa

30. paraṃtapa vīrāḥ plavaṅgamāḥ śataiḥ ca śatasahasraiḥ
ca koṭibhiḥ ca ayutaiḥ ca śaṅkubhiḥ ca āvṛtāḥ

30. O tormentor of foes, heroic monkeys will come, accompanied by hundreds, hundreds of thousands, crores (tens of millions), myriads (ten thousands), and śaṅkus (a very large numerical unit) of others.

Words meanings summery:

• शतैः (śataiḥ) - by hundreds

• शतसहस्रैः (śatasahasraiḥ) - by hundreds of thousands

• च (ca) - and, also

• कोटिभिः (koṭibhiḥ) - by crores (tens of millions)

• च (ca) - and, also

• प्लवङ्गमाः (plavaṅgamāḥ) - monkeys, jumpers

• अयुतैः (ayutaiḥ) - by myriads (ten thousands)

• च (ca) - and, also

• आवृताः (āvṛtāḥ) - accompanied by such vast numbers (surrounded, covered, accompanied)

• वीराः (vīrāḥ) - heroes, brave ones

• शङ्कुभिः (śaṅkubhiḥ) - by groups numbering in śaṅkus (a large numerical unit) (by śaṅkus (a very large number, 10^17 or 10^14), by stakes/pins)

• च (ca) - and, also

• परंतप (paraṁtapa) - Addressing Rāvaṇa. (O tormentor of foes)

Words meanings and morphology

शतैः (śataiḥ) - by hundreds

(noun)

Instrumental, neuter, plural of śata

śata - hundred

शतसहस्रैः (śatasahasraiḥ) - by hundreds of thousands

(noun)

Instrumental, neuter, plural of śatasahasra

śatasahasra - hundred thousand

Compound type : tatpuruṣa (śata+sahasra)

• śata – hundred
  noun (neuter)
• sahasra – thousand
  noun (neuter)

च (ca) - and, also

(indeclinable)

कोटिभिः (koṭibhiḥ) - by crores (tens of millions)

(noun)

Instrumental, feminine, plural of koṭi

koṭi - crore (ten million), edge, extremity

च (ca) - and, also

(indeclinable)

प्लवङ्गमाः (plavaṅgamāḥ) - monkeys, jumpers

(noun)

Nominative, masculine, plural of plavaṅgama

plavaṅgama - monkey, jumper

Root: plu (class 1)

अयुतैः (ayutaiḥ) - by myriads (ten thousands)

(noun)

Instrumental, neuter, plural of ayuta

ayuta - myriad, ten thousand

च (ca) - and, also

(indeclinable)

आवृताः (āvṛtāḥ) - accompanied by such vast numbers (surrounded, covered, accompanied)

(adjective)

Nominative, masculine, plural of āvṛta

āvṛta - surrounded, covered, enveloped, accompanied

Past Passive Participle

from ā + √vṛ (to cover)

Prefix: ā

Root: vṛ (class 5)

Note: Participle functions as an adjective here.

वीराः (vīrāḥ) - heroes, brave ones

(noun)

Nominative, masculine, plural of vīra

vīra - hero, brave man, warrior

शङ्कुभिः (śaṅkubhiḥ) - by groups numbering in śaṅkus (a large numerical unit) (by śaṅkus (a very large number, 10^17 or 10^14), by stakes/pins)

(noun)

Instrumental, masculine, plural of śaṅku

śaṅku - stake, pin, gnomon, a very large number (e.g., 10^14 or 10^17)

च (ca) - and, also

(indeclinable)

परंतप (paraṁtapa) - Addressing Rāvaṇa. (O tormentor of foes)

(adjective)

Vocative, masculine, singular of paraṃtapa

paraṁtapa - tormenting foes, enemy-tormentor

Compound type : tatpuruṣa (para+tapa)

• para – other, enemy
  noun (masculine)
• tapa – heating, tormenting
  noun (masculine)
  Agent noun from root √tap (to heat, torment).
  Root: tap (class 1)