योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-50, verse-23

अन्योन्यं शममायाते सवीर्ये सुभटाविव ।
एतस्मिन्नन्तरे सोऽग्नी रथं कृत्वा तु भस्मसात् ॥ २३ ॥

anyonyaṃ śamamāyāte savīrye subhaṭāviva ,
etasminnantare so'gnī rathaṃ kṛtvā tu bhasmasāt 23

23. anyonyam śamam āyāte savīrye subhaṭāu iva etasmin
antare saḥ agniḥ ratham kṛtvā tu bhasmasāt

23. savīrye subhaṭāu iva anyonyam śamam āyāte etasmin
antare saḥ agniḥ tu ratham bhasmasāt kṛtvā

23. As they, like two valorous heroes, mutually reached exhaustion, at that very moment, Agni (the fire-god or fire-like warrior) indeed reduced the chariot to ashes.

Words meanings summery:

• अन्योन्यम् (anyonyam) - mutually, each other

• शमम् (śamam) - exhaustion (from battle) (calm, peace, quiet, cessation, exhaustion)

• आयाते (āyāte) - having reached (exhaustion) (having come, having approached (dual))

• सवीर्ये (savīrye) - (like two heroes) who are valorous (endowed with valor, powerful, brave)

• सुभटाउ (subhaṭāu) - two valiant heroes, two good warriors

• इव (iva) - like, as if, as

• एतस्मिन् (etasmin) - at this (moment) (in this)

• अन्तरे (antare) - at that very moment (in the interval, at the moment, meanwhile)

• सः (saḥ) - that (Agni) (he, that)

• अग्निः (agniḥ) - the deity Agni or a warrior named Agni (fire, fire-god (Agni))

• रथम् (ratham) - chariot, car

• कृत्वा (kṛtvā) - having done, having made, having performed

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

• भस्मसात् (bhasmasāt) - into ashes

Words meanings and morphology

अन्योन्यम् (anyonyam) - mutually, each other

(indeclinable)

Adverbial use of anyonya (mutual)

Note: Modifies the action of reaching exhaustion.

शमम् (śamam) - exhaustion (from battle) (calm, peace, quiet, cessation, exhaustion)

(noun)

Accusative, masculine, singular of śama

śama - calm, peace, quiet, tranquility, cessation, exhaustion

From root śam (to be calm, cease)

Root: śam (class 4)

Note: Object of the verb āyāte.

आयाते (āyāte) - having reached (exhaustion) (having come, having approached (dual))

(participle)

Nominative, masculine, dual of āyā

āyā - to come, approach, arrive

past active participle (dual)

From ā + yā (to go); nominative dual masculine/feminine.

Prefix: ā

Root: yā (class 2)

Note: Participial form indicating simultaneous action with the main clause.

सवीर्ये (savīrye) - (like two heroes) who are valorous (endowed with valor, powerful, brave)

(adjective)

Nominative, masculine, dual of savīrya

savīrya - possessed of vigor/valor/strength, powerful, brave

Derived from sa (with) + vīrya (valor)

Compound type : bahuvrihi (sa+vīrya)

• sa – with, together with
  indeclinable
  Prefix denoting accompaniment
• vīrya – valor, heroism, strength, power
  noun (neuter)
  From vīra (hero)

Note: Agrees with subhaṭāu.

सुभटाउ (subhaṭāu) - two valiant heroes, two good warriors

(noun)

Nominative, masculine, dual of subhaṭa

subhaṭa - a good warrior, valiant hero

Compound of su (good) + bhaṭa (warrior)

Compound type : karmadharaya (su+bhaṭa)

• su – good, excellent, well
  indeclinable
  Prefix for excellence
• bhaṭa – warrior, soldier, mercenary
  noun (masculine)

Note: Refers to the two heroes (kings).

इव (iva) - like, as if, as

(indeclinable)

Note: Used for comparison.

एतस्मिन् (etasmin) - at this (moment) (in this)

(pronoun)

Locative, masculine, singular of etad

etad - this, these

Demonstrative pronoun

Note: Agrees with antare.

अन्तरे (antare) - at that very moment (in the interval, at the moment, meanwhile)

(noun)

Locative, neuter, singular of antara

antara - interval, intermediate space, inside, difference

Note: Often used adverbially.

सः (saḥ) - that (Agni) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun

Note: Refers to Agni.

अग्निः (agniḥ) - the deity Agni or a warrior named Agni (fire, fire-god (Agni))

(noun)

Nominative, masculine, singular of agni

agni - fire, fire-god Agni, sacrificial fire

Root: ag

Note: Subject of the verb 'kṛtvā bhasmasāt'.

रथम् (ratham) - chariot, car

(noun)

Accusative, masculine, singular of ratha

ratha - chariot, car

From ramh (to hasten, go)

Root: ramh (class 1)

Note: Object of the action 'kṛtvā'.

कृत्वा (kṛtvā) - having done, having made, having performed

(indeclinable)

absolutive

Formed with suffix -tvā

Root: kṛ (class 8)

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

(indeclinable)

Particle of emphasis or contrast

भस्मसात् (bhasmasāt) - into ashes

(indeclinable)

Formed with the suffix -sāt, denoting transformation