वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-4, chapter-38, verse-3

चन्द्रमा रश्मिभिः कुर्यात् पृथिवीं सौम्य निर्मलाम् ।
त्वद्विधो वापि मित्राणां प्रतिकुर्यात् परंतप ॥३॥

3. candramā raśmibhiḥ kuryāt pṛthivīṃ saumya nirmalām ,
tvadvidho vāpi mitrāṇāṃ pratikuryāt paraṃtapa.

3. candramāḥ raśmibhiḥ kuryāt pṛthivīm saumya nirmalām
tvadvidhaḥ vā api mitrāṇām pratikuryāt paraṃtapa

3. saumya,
candramāḥ raśmibhiḥ pṛthivīm nirmalām kuryāt.
vā api paraṃtapa,
tvadvidhaḥ mitrāṇām pratikuryāt

3. O gentle one, the moon would make the earth pure and pleasant with its rays. Similarly, O scorcher of foes, one like you would certainly reciprocate the actions of friends.

Words meanings summery:

• चन्द्रमाः (candramāḥ) - the moon

• रश्मिभिः (raśmibhiḥ) - with rays, by means of beams of light

• कुर्यात् (kuryāt) - would make, should do

• पृथिवीम् (pṛthivīm) - the earth

• सौम्य (saumya) - O Sugrīva, the gentle one (O gentle one, O mild one)

• निर्मलाम् (nirmalām) - the earth, pure and clean (spotless, pure, clean)

• त्वद्विधः (tvadvidhaḥ) - one like you

• वा (vā) - or

• अपि (api) - certainly (also, even, certainly)

• मित्राणाम् (mitrāṇām) - of friends

• प्रतिकुर्यात् (pratikuryāt) - would reciprocate, would do in return

• परंतप (paraṁtapa) - O Sugrīva, scorcher of foes (O scorcher of foes)

Words meanings and morphology

चन्द्रमाः (candramāḥ) - the moon

(noun)

Nominative, masculine, singular of candramas

candramas - the moon, moon-god

रश्मिभिः (raśmibhiḥ) - with rays, by means of beams of light

(noun)

Instrumental, masculine, plural of raśmi

raśmi - ray, beam of light, rope, rein

कुर्यात् (kuryāt) - would make, should do

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of kṛ

Optative Active

3rd person singular, optative mood, active voice

Root: kṛ (class 8)

पृथिवीम् (pṛthivīm) - the earth

(noun)

Accusative, feminine, singular of pṛthivī

pṛthivī - earth, ground

सौम्य (saumya) - O Sugrīva, the gentle one (O gentle one, O mild one)

(adjective)

Vocative, masculine, singular of saumya

saumya - gentle, mild, auspicious, belonging to the moon or Soma

निर्मलाम् (nirmalām) - the earth, pure and clean (spotless, pure, clean)

(adjective)

Accusative, feminine, singular of nirmala

nirmala - spotless, clean, pure, clear

Compound type : bahuvrīhi (nir+mala)

• nir – without, out, forth
  indeclinable
  Prefix indicating negation or absence
• mala – dirt, impurity, stain
  noun (neuter)

त्वद्विधः (tvadvidhaḥ) - one like you

(adjective)

Nominative, masculine, singular of tvadvidha

tvadvidha - like you, of your kind

Compound type : tatpuruṣa (tvat+vidha)

• tvat – from you (ablative of 'you')
  pronoun
• vidha – kind, sort, type
  noun (masculine)

वा (vā) - or

(indeclinable)

अपि (api) - certainly (also, even, certainly)

(indeclinable)

मित्राणाम् (mitrāṇām) - of friends

(noun)

Genitive, neuter, plural of mitra

mitra - friend, companion, ally

प्रतिकुर्यात् (pratikuryāt) - would reciprocate, would do in return

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of pratikṛ

Optative Active

3rd person singular, optative mood, active voice, from root kṛ with prefix prati-

Prefix: prati

Root: kṛ (class 8)

परंतप (paraṁtapa) - O Sugrīva, scorcher of foes (O scorcher of foes)

(noun)

Vocative, masculine, singular of paraṃtapa

paraṁtapa - scorcher of foes, tormentor of enemies (epithet of heroes)

Compound type : tatpuruṣa (para+tapa)

• para – other, supreme, enemy, foe
  noun (masculine)
• tapa – heat, torment, austerity; one who scorches/torments
  noun (masculine)
  From root tap (to heat, torment)
  Root: tap (class 1)