वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-53, verse-18

अथ वा चारुसर्वाङ्गी रक्षिता स्वेन तेजसा ।
न नशिष्यति कल्याणी नाग्निरग्नौ प्रवर्तते ॥१८॥

18. atha vā cārusarvāṅgī rakṣitā svena tejasā ,
na naśiṣyati kalyāṇī nāgniragnau pravartate.

18. atha vā cārusarvāṅgī rakṣitā svena tejasā na
naśiṣyati kalyāṇī na agniḥ agnau pravartate

18. atha vā kalyāṇī cārusarvāṅgī svena tejasā
rakṣitā na naśiṣyati agniḥ agnau na pravartate

18. Or else, the auspicious one, beautiful in all her limbs, protected by her own inner power, will not perish. Fire does not consume fire.

Words meanings summery:

• अथ (atha) - Now, then, moreover

• वा (vā) - Or, either

• चारुसर्वाङ्गी (cārusarvāṅgī) - Having beautiful limbs, beautiful in all parts

• रक्षिता (rakṣitā) - Protected, guarded

• स्वेन (svena) - By one's own

• तेजसा (tejasā) - By radiance, by power, by energy

• न (na) - Not, no

• नशिष्यति (naśiṣyati) - Will perish, will be destroyed

• कल्याणी (kalyāṇī) - Auspicious one, blessed one, beautiful, virtuous

• अग्निः (agniḥ) - Fire, deity of fire

• अग्नौ (agnau) - In fire

• प्रवर्तते (pravartate) - Proceeds, acts, operates, applies

Words meanings and morphology

अथ (atha) - Now, then, moreover

(indeclinable)

Note: Conjunction

वा (vā) - Or, either

(indeclinable)

Note: Conjunction

चारुसर्वाङ्गी (cārusarvāṅgī) - Having beautiful limbs, beautiful in all parts

(adjective)

Nominative, feminine, singular of cārusarvāṅga

cārusarvāṅga - Having beautiful limbs, beautiful in all parts

Bahuvrīhi compound. Feminine form

Compound type : bahuvrīhi (cāru+sarva+aṅga)

• cāru – Beautiful, lovely, charming
  adjective (masculine)
  Root: car (class 1)
• sarva – All, every, entire
  pronoun/adjective (masculine)
• aṅga – Limb, body part, body
  noun (neuter)

रक्षिता (rakṣitā) - Protected, guarded

(adjective)

Nominative, feminine, singular of rakṣita

rakṣita - Protected, guarded, saved

Past Passive Participle

Derived from root 'rakṣ' (to protect) + suffix 'kta'

Root: rakṣ (class 1)

Note: Agrees with the implied feminine subject

स्वेन (svena) - By one's own

(adjective)

Instrumental, neuter, singular of sva

sva - Own, one's own

Note: Agrees with 'tejasā'

तेजसा (tejasā) - By radiance, by power, by energy

(noun)

Instrumental, neuter, singular of tejas

tejas - Radiance, splendor, power, energy, spiritual energy

Root: tij (class 4)

Note: Instrument of protection

न (na) - Not, no

(indeclinable)

नशिष्यति (naśiṣyati) - Will perish, will be destroyed

(verb)

3rd person , singular, active, future (lṛṭ) of naś

Future Tense (liṭ)

Root 'naś', 3rd person singular, future tense

Root: naś (class 4)

कल्याणी (kalyāṇī) - Auspicious one, blessed one, beautiful, virtuous

(adjective)

Nominative, feminine, singular of kalyāṇa

kalyāṇa - Auspicious, blessed, beautiful, virtuous, happy

Feminine form of 'kalyāṇa'

Note: Main subject of the sentence, an auspicious woman

अग्निः (agniḥ) - Fire, deity of fire

(noun)

Nominative, masculine, singular of agni

agni - Fire, the deity Agni

Root: ag (class 1)

Note: Subject of 'pravartate' in the idiomatic expression

अग्नौ (agnau) - In fire

(noun)

Locative, masculine, singular of agni

agni - Fire, the deity Agni

Root: ag (class 1)

Note: Location for the action 'pravartate'

प्रवर्तते (pravartate) - Proceeds, acts, operates, applies

(verb)

3rd person , singular, middle, present (laṭ) of pravṛt

Present Tense (laṭ)

Root 'vṛt' with prefix 'pra', 3rd person singular, present tense (ātmanepada)

Prefix: pra

Root: vṛt (class 1)

Note: Verb for 'agniḥ'