वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-53, verse-23

तपसा सत्यवाक्येन अनन्यत्वाच्च भर्तरि ।
अपि सा निर्दहेदग्निं न तामग्निः प्रधक्ष्यति ॥२३॥

23. tapasā satyavākyena ananyatvācca bhartari ,
api sā nirdahedagniṃ na tāmagniḥ pradhakṣyati.

23. tapasā satyavākyena ananyatvāt ca bhartari api
sā nirdahet agnim na tām agniḥ pradhakṣyati

23. By virtue of her asceticism (tapas), truthful speech, and unwavering devotion to her husband, she could even consume fire itself. Fire will certainly not burn her.

Words meanings summery:

• तपसा (tapasā) - by austerity, by penance

• सत्यवाक्येन (satyavākyena) - by truthful speech

• अनन्यत्वात् (ananyatvāt) - by non-otherness, by exclusive devotion, by identity

• च (ca) - and, also

• भर्तरि (bhartari) - in the husband, towards the husband

• अपि (api) - even, also, although

• सा (sā) - Refers to Sītā. (she)

• निर्दहेत् (nirdahet) - she would burn completely, she might burn

• अग्निम् (agnim) - fire (acc.)

• न (na) - not, no

• ताम् (tām) - Refers to Sītā. (her (acc.))

• अग्निः (agniḥ) - fire (nom.)

• प्रधक्ष्यति (pradhakṣyati) - will burn, will consume

Words meanings and morphology

तपसा (tapasā) - by austerity, by penance

(noun)

Instrumental, neuter, singular of tapas

tapas - austerity, penance, religious observance, heat

Root: tap (class 1)

सत्यवाक्येन (satyavākyena) - by truthful speech

(noun)

Instrumental, neuter, singular of satyavākya

satyavākya - truthful speech, true statement

Compound type : karmadhāraya (satya+vākya)

• satya – truth, true, real
  adjective (neuter)
  Root: sant
• vākya – speech, word, sentence
  noun (neuter)
  From root vac.
  Root: vac (class 2)

अनन्यत्वात् (ananyatvāt) - by non-otherness, by exclusive devotion, by identity

(noun)

Ablative, neuter, singular of ananyatva

ananyatva - non-otherness, exclusivity, identity, sameness

Note: 'ananyatva' is a noun formed from 'ananya' (not other, exclusive) + 'tva' (suffix for abstract noun).

च (ca) - and, also

(indeclinable)

भर्तरि (bhartari) - in the husband, towards the husband

(noun)

Locative, masculine, singular of bhartṛ

bhartṛ - husband, supporter, master, lord

agent noun

from root bhṛ (to bear, support) + tṛc suffix

Root: bhṛ (class 3)

अपि (api) - even, also, although

(indeclinable)

सा (sā) - Refers to Sītā. (she)

(pronoun)

Nominative, feminine, singular of tad

tad - that, she, he, it

निर्दहेत् (nirdahet) - she would burn completely, she might burn

(verb)

3rd person , singular, active, optative (vidhiliṅ) of nirdah

optative mood

3rd person singular active optative

Prefix: nir

Root: dah (class 1)

अग्निम् (agnim) - fire (acc.)

(noun)

Accusative, masculine, singular of agni

agni - fire, god of fire

न (na) - not, no

(indeclinable)

ताम् (tām) - Refers to Sītā. (her (acc.))

(pronoun)

Accusative, feminine, singular of tad

tad - that, she, he, it

अग्निः (agniḥ) - fire (nom.)

(noun)

Nominative, masculine, singular of agni

agni - fire, god of fire

प्रधक्ष्यति (pradhakṣyati) - will burn, will consume

(verb)

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

future tense

3rd person singular active future

Prefix: pra

Root: dah (class 1)