वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-55, verse-3

वातसंघातजातोर्मिं चन्द्रांशुशिशिराम्बुमत् ।
भुजंगयक्षगन्धर्वप्रबुद्धकमलोत्पलम् ॥३॥

3. vātasaṃghātajātormiṃ candrāṃśuśiśirāmbumat ,
bhujaṃgayakṣagandharvaprabuddhakamalotpalam.

3. vātasaṃghātajātormim candrāṃśuśiśirāmbumat
bhujaṅgayakṣagandharvaprabuddhakmalotpalam

3. vātasaṃghātajātormim candrāṃśuśiśirāmbumat
bhujaṅgayakṣagandharvaprabuddhakmalotpalam

3. It had waves born from masses of wind, and cool waters from moonbeams. It was filled with lotuses and water lilies awakened by serpents (bhujaṅga), yakṣas, and gandharvas.

Words meanings summery:

• वातसंघातजातोर्मिम् (vātasaṁghātajātormim) - having waves produced by strong winds (having waves born from masses of wind)

• चन्द्रांशुशिशिराम्बुमत् (candrāṁśuśiśirāmbumat) - having cool waters due to moonbeams (having cool waters from moonbeams)

• भुजङ्गयक्षगन्धर्वप्रबुद्धक्मलोत्पलम् (bhujaṅgayakṣagandharvaprabuddhakmalotpalam) - filled with lotuses and water lilies awakened by serpents (bhujaṅga), yakṣas, and gandharvas (having lotuses and water-lilies awakened by serpents, yakṣas, and gandharvas)

Words meanings and morphology

वातसंघातजातोर्मिम् (vātasaṁghātajātormim) - having waves produced by strong winds (having waves born from masses of wind)

(adjective)

Accusative, neuter, singular of vātasaṃghātajātormi

vātasaṁghātajātormi - having waves born from masses of wind

Compound type : bahuvrīhi (vāta+saṃghāta+jāta+ūrmi)

• vāta – wind, air
  noun (masculine)
  Root: vā (class 2)
• saṃghāta – mass, collection, multitude, aggregation
  noun (masculine)
  from sam-√han (to strike together) + ghañ
  Prefix: sam
  Root: han (class 2)
• jāta – born, produced, arisen
  adjective (neuter)
  past passive participle
  from √jan (to be born) + -ta
  Root: jan (class 4)
• ūrmi – wave, billow, current
  noun (masculine)

चन्द्रांशुशिशिराम्बुमत् (candrāṁśuśiśirāmbumat) - having cool waters due to moonbeams (having cool waters from moonbeams)

(adjective)

Accusative, neuter, singular of candrāṃśuśiśirāmbumat

candrāṁśuśiśirāmbumat - having cool waters from moonbeams

From candrāṃśuśiśirāmbu + matUP suffix.

Compound type : bahuvrīhi (candra+aṃśu+śiśira+ambu+mat)

• candra – moon
  noun (masculine)
• aṃśu – ray (of light), beam
  noun (masculine)
  Root: aṃś
• śiśira – cool, cold, chilly
  adjective (neuter)
• ambu – water
  noun (neuter)
• mat – possessing, having
  suffix
  matUP suffix indicating possession

Note: The suffix -mat indicates possession of the preceding quality/object.

भुजङ्गयक्षगन्धर्वप्रबुद्धक्मलोत्पलम् (bhujaṅgayakṣagandharvaprabuddhakmalotpalam) - filled with lotuses and water lilies awakened by serpents (bhujaṅga), yakṣas, and gandharvas (having lotuses and water-lilies awakened by serpents, yakṣas, and gandharvas)

(adjective)

Accusative, neuter, singular of bhujaṅgayakṣagandharvaprabuddhakmalotpala

bhujaṅgayakṣagandharvaprabuddhakmalotpala - having lotuses and water-lilies awakened by serpents, yakṣas, and gandharvas

Compound type : bahuvrīhi (bhujaṅga+yakṣa+gandharva+prabuddha+kamala+utpala)

• bhujaṅga – serpent, snake
  noun (masculine)
  lit. 'moving on its chest/shoulder' (bhuja + ga)
  Root: gam (class 1)
• yakṣa – yakṣa (a class of semi-divine beings)
  noun (masculine)
  Root: yakṣ (class 1)
• gandharva – gandharva (a class of celestial musicians and spirits)
  noun (masculine)
• prabuddha – awakened, awake, expanded, bloomed
  adjective (neuter)
  past passive participle
  from pra-√budh (to awaken, perceive) + -ta
  Prefix: pra
  Root: budh (class 1)
• kamala – lotus, water-lily
  noun (neuter)
  Root: kam (class 1)
• utpala – water-lily (blue or white), lotus
  noun (neuter)

Note: Describes the object as having flowers awakened by celestial beings.