वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-5, chapter-53, verse-13

विनष्टायां तु सीतायां ताव् उभौ विनशिष्यतः ।
तयोर्विनाशे सुग्रीवः सबन्धुर्विनशिष्यति ॥१३॥

13. vinaṣṭāyāṃ tu sītāyāṃ tāv ubhau vinaśiṣyataḥ ,
tayorvināśe sugrīvaḥ sabandhurvinaśiṣyati.

13. vinaṣṭāyām tu Sītāyām tau ubhau vinaśiṣyataḥ
tayoḥ vināśe Sugrīvaḥ sabandhuḥ vinaśiṣyati

13. tu Sītāyām vinaṣṭāyām tau ubhau vinaśiṣyataḥ
tayoḥ vināśe Sugrīvaḥ sabandhuḥ vinaśiṣyati

13. But if Sītā is lost, those two (Lakṣmaṇa and Hanumān) will surely perish. With their demise, Sugrīva, together with his kinsmen, will also be destroyed.

Words meanings summery:

• विनष्टायाम् (vinaṣṭāyām) - if she is lost/destroyed (feminine locative singular)

• तु (tu) - but, indeed, on the other hand

• सीतायाम् (sītāyām) - in Sītā, regarding Sītā, if Sītā is (lost)

• तौ (tau) - those two (Lakṣmaṇa and Hanumān) (those two (masculine))

• उभौ (ubhau) - both (masculine)

• विनशिष्यतः (vinaśiṣyataḥ) - they both will perish/be destroyed

• तयोः (tayoḥ) - of those two (Lakṣmaṇa and Hanumān) (of those two, their)

• विनाशे (vināśe) - in the destruction, upon the ruin/loss

• सुग्रीवः (sugrīvaḥ) - Sugrīva

• सबन्धुः (sabandhuḥ) - with his relatives/kinsmen

• विनशिष्यति (vinaśiṣyati) - he will perish/be destroyed

Words meanings and morphology

विनष्टायाम् (vinaṣṭāyām) - if she is lost/destroyed (feminine locative singular)

(adjective)

Locative, feminine, singular of vinaṣṭa

vinaṣṭa - destroyed, lost, ruined, perished

Past Passive Participle

From root naś (to perish) with prefix vi- (apart, away).

Prefix: vi

Root: naś (class 4)

तु (tu) - but, indeed, on the other hand

(indeclinable)

Conjunction/particle

सीतायाम् (sītāyām) - in Sītā, regarding Sītā, if Sītā is (lost)

(proper noun)

Locative, feminine, singular of Sītā

Sītā - Name of Janaka's daughter and Rama's wife

तौ (tau) - those two (Lakṣmaṇa and Hanumān) (those two (masculine))

(pronoun)

Nominative, masculine, dual of tad

tad - that, this, he, she, it

Pronominal stem

उभौ (ubhau) - both (masculine)

(adjective)

Nominative, masculine, dual of ubha

ubha - both

Dual-only stem

विनशिष्यतः (vinaśiṣyataḥ) - they both will perish/be destroyed

(verb)

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

Future tense

From root naś (to perish) with prefix vi- (apart, away).

Prefix: vi

Root: naś (class 4)

तयोः (tayoḥ) - of those two (Lakṣmaṇa and Hanumān) (of those two, their)

(pronoun)

Genitive, masculine, dual of tad

tad - that, this, he, she, it

Pronominal stem

Note: Can also be locative dual.

विनाशे (vināśe) - in the destruction, upon the ruin/loss

(noun)

Locative, masculine, singular of vināśa

vināśa - destruction, ruin, loss, disappearance

From root naś (to perish) with prefix vi-.

Prefix: vi

Root: naś (class 4)

सुग्रीवः (sugrīvaḥ) - Sugrīva

(proper noun)

Nominative, masculine, singular of Sugrīva

Sugrīva - Name of the monkey king, son of Surya

सबन्धुः (sabandhuḥ) - with his relatives/kinsmen

(adjective)

Nominative, masculine, singular of sabandhu

sabandhu - having relatives, with kinsmen, together with friends

From sa- (with, together) + bandhu (relative, kinsman).

Compound type : bahuvrīhi (sa+bandhu)

• sa – with, together with
  indeclinable
  Prefix
• bandhu – relative, kinsman, friend
  noun (masculine)
  Root: bandh (class 1)

विनशिष्यति (vinaśiṣyati) - he will perish/be destroyed

(verb)

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

Future tense

From root naś (to perish) with prefix vi- (apart, away).

Prefix: vi

Root: naś (class 4)