वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-7, chapter-27, verse-9

तद् यथा नमुचिर्वृत्रो बलिर्नरकशम्बरौ ।
त्वन्मतं समवष्टभ्य यथा दग्धास्तथा कुरु ॥९॥

9. tad yathā namucirvṛtro balirnarakaśambarau ,
tvanmataṃ samavaṣṭabhya yathā dagdhāstathā kuru.

9. tat yathā namuciḥ vṛtraḥ baliḥ narakaśambarau
tvat-matam samavaṣṭabhya yathā dagdhāḥ tathā kuru

9. tat yathā namuciḥ vṛtraḥ baliḥ narakaśambarau
tvat-matam samavaṣṭabhya dagdhāḥ tathā kuru

9. “Therefore, just as Namuci, Vṛtra, Bali, Naraka, and Śambara were annihilated by upholding your decree, so too, act accordingly.”

Words meanings summery:

• तत् (tat) - therefore (therefore, that, it)

• यथा (yathā) - just as (just as, as, according to)

• नमुचिः (namuciḥ) - Namuci (Namuci (a demon))

• वृत्रः (vṛtraḥ) - Vṛtra (Vṛtra (a demon))

• बलिः (baliḥ) - Bali (Bali (a demon king))

• नरकशम्बरौ (narakaśambarau) - Naraka and Śambara (Naraka and Śambara (two demons))

• त्वत्-मतम् (tvat-matam) - your decree (your opinion, your decree, your intention)

• समवष्टभ्य (samavaṣṭabhya) - having upheld (having firmly relied upon, having upheld, having taken hold of)

• यथा (yathā) - just as (just as, as)

• दग्धाः (dagdhāḥ) - annihilated/destroyed (burnt, consumed, destroyed)

• तथा (tathā) - so too (so, thus, in that manner)

• कुरु (kuru) - act (do, act, make)

Words meanings and morphology

तत् (tat) - therefore (therefore, that, it)

(indeclinable)

Note: Connective particle, "therefore".

यथा (yathā) - just as (just as, as, according to)

(indeclinable)

Note: Introduces a simile.

नमुचिः (namuciḥ) - Namuci (Namuci (a demon))

(proper noun)

Nominative, masculine, singular of namuci

namuci - Namuci, a demon slain by Indra

Note: One of the demons mentioned.

वृत्रः (vṛtraḥ) - Vṛtra (Vṛtra (a demon))

(proper noun)

Nominative, masculine, singular of vṛtra

vṛtra - Vṛtra, an asura (demon) slain by Indra

Note: One of the demons mentioned.

बलिः (baliḥ) - Bali (Bali (a demon king))

(proper noun)

Nominative, masculine, singular of bali

bali - Bali, a demon king subjugated by Viṣṇu in his Vāmana avatara

Note: One of the demons mentioned.

नरकशम्बरौ (narakaśambarau) - Naraka and Śambara (Naraka and Śambara (two demons))

(proper noun)

Nominative, masculine, dual of narakaśambara

narakaśambara - Naraka and Śambara (two demons)

Compound of Naraka and Śambara.

Compound type : dvandva (naraka+śambara)

• naraka – Naraka, a demon, or hell
  proper noun (masculine)
• śambara – Śambara, a demon slain by Pradyumna
  proper noun (masculine)

Note: Refers to two specific demons.

त्वत्-मतम् (tvat-matam) - your decree (your opinion, your decree, your intention)

(noun)

Accusative, neuter, singular of tvat-mata

tvat-mata - your opinion, your decree, your intention

Compound of tvat (your) and mata (opinion, decree).

Compound type : tatpurusha (tvat+mata)

• tvat – your, from you
  pronoun
• mata – opinion, view, doctrine, decree
  noun (neuter)
  Past Passive Participle
  Derived from root √man (to think). Here used as a noun.
  Root: man (class 4)

Note: Object of `samavaṣṭabhya`.

समवष्टभ्य (samavaṣṭabhya) - having upheld (having firmly relied upon, having upheld, having taken hold of)

(indeclinable)

absolutive

Derived from root √stambh (to support) with prefixes sam- (together, completely) and ava- (down). Absolute participle (gerund).

Prefixes: sam+ava

Root: stambh (class 5)

Note: Conveys prior action, "having upheld".

यथा (yathā) - just as (just as, as)

(indeclinable)

Note: Connects to `tathā`.

दग्धाः (dagdhāḥ) - annihilated/destroyed (burnt, consumed, destroyed)

(adjective)

Nominative, masculine, plural of dagdha

dagdha - burnt, consumed, destroyed, scorched

Past Passive Participle

Derived from root √dah (to burn).

Root: dah (class 1)

Note: Refers to the demons.

तथा (tathā) - so too (so, thus, in that manner)

(indeclinable)

Note: Follows `yathā`.

कुरु (kuru) - act (do, act, make)

(verb)

2nd person , singular, active, imperative (loṭ) of kṛ

Root: kṛ (class 8)

Note: Imperative mood, second person singular.