योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-108, verse-37

पताकायुधयोध्रङ्गाश्चलत्परिकराकुलाः ।
विसरन्ति रथास्तत्र प्रोड्डीनत्रिपुरौघवत् ॥ ३७ ॥

patākāyudhayodhraṅgāścalatparikarākulāḥ ,
visaranti rathāstatra proḍḍīnatripuraughavat 37

37. patākā-āyudha-yodha-raṅgāḥ calat-parikara-ākulāḥ
visaranti rathāḥ tatra proḍḍīna-tripura-ogha-vat

37. tatra patākā-āyudha-yodha-raṅgāḥ calat-parikara-ākulāḥ
rathāḥ proḍḍīna-tripura-ogha-vat visaranti

37. There (tatra), chariots (rathāḥ), thronged with (ākulāḥ) moving retinues (calat-parikara) and presenting a spectacle (raṅgāḥ) of banners (patākā), weapons (āyudha), and warriors (yodha), advance (visaranti) like the masses (aughavat) of the flying cities of Tripura (proḍḍīna-tripura).

Words meanings summery:

• पताका-आयुध-योध-रङ्गाः (patākā-āyudha-yodha-raṅgāḥ) - Describes the visual aspect of the chariots, full of military display. (presenting a spectacle of banners, weapons, and warriors)

• चलत्-परिकर-आकुलाः (calat-parikara-ākulāḥ) - Describes the bustling activity on and around the chariots. (thronged/crowded with moving retinues/attendants)

• विसरन्ति (visaranti) - Describes the movement of the chariots as they deploy across the battlefield. (they spread out, they move rapidly, they advance)

• रथाः (rathāḥ) - The war-chariots of the enemy forces. (chariots)

• तत्र (tatra) - Referring to the battlefield or the area where the enemy is deployed. (there, in that place)

• प्रोड्डीन-त्रिपुर-ओघ-वत् (proḍḍīna-tripura-ogha-vat) - A simile indicating the vast number and formidable nature of the advancing chariots, comparing them to the mythical flying fortresses of the Asuras. (like the masses/multitudes of the flying cities of Tripura)

Words meanings and morphology

पताका-आयुध-योध-रङ्गाः (patākā-āyudha-yodha-raṅgāḥ) - Describes the visual aspect of the chariots, full of military display. (presenting a spectacle of banners, weapons, and warriors)

(noun)

Nominative, masculine, plural of patākā-āyudha-yodha-raṅga

patākā-āyudha-yodha-raṅga - a spectacle (raṅga) of banners (patākā), weapons (āyudha), and warriors (yodha).

Nominative plural of a masculine compound.

Compound type : dvandva (patākā+āyudha+yodha+raṅga)

• patākā – banner, flag, standard
  noun (feminine)
• āyudha – weapon, implement
  noun (neuter)
  Prefix: ā
  Root: yudh (class 4)
• yodha – warrior, fighter
  noun (masculine)
  Root: yudh (class 4)
• raṅga – stage, arena, battlefield, display, spectacle, color
  noun (masculine)
  Root: rañj (class 1)

Note: Adjective modifying rathāḥ.

चलत्-परिकर-आकुलाः (calat-parikara-ākulāḥ) - Describes the bustling activity on and around the chariots. (thronged/crowded with moving retinues/attendants)

(adjective)

Nominative, masculine, plural of calat-parikara-ākula

calat-parikara-ākula - agitated/crowded (ākula) with moving (calat) attendants/equipage (parikara).

Nominative plural of a masculine compound.

Compound type : tatpuruṣa (calat+parikara+ākula)

• calat – moving, stirring, shaking
  participle
  present active participle
  From √cal (to move), present active participle.
  Root: cal (class 1)
• parikara – retinue, attendants, equipage, equipment
  noun (masculine)
  Prefix: pari
  Root: kṛ (class 8)
• ākula – agitated, crowded, full of, confused
  adjective
  Prefix: ā
  Root: kul (class 1)

Note: Adjective modifying rathāḥ.

विसरन्ति (visaranti) - Describes the movement of the chariots as they deploy across the battlefield. (they spread out, they move rapidly, they advance)

(verb)

3rd person , plural, active, present (lat) of vi-sṛ

present active indicative

From √sṛ (to move) with preverb vi, 3rd person plural.

Prefix: vi

Root: sṛ (class 1)

रथाः (rathāḥ) - The war-chariots of the enemy forces. (chariots)

(noun)

Nominative, masculine, plural of ratha

ratha - chariot, car

Nominative plural of masculine noun ratha.

Root: ram (class 1)

तत्र (tatra) - Referring to the battlefield or the area where the enemy is deployed. (there, in that place)

(indeclinable)

An adverb of place.

Note: Adverb of place.

प्रोड्डीन-त्रिपुर-ओघ-वत् (proḍḍīna-tripura-ogha-vat) - A simile indicating the vast number and formidable nature of the advancing chariots, comparing them to the mythical flying fortresses of the Asuras. (like the masses/multitudes of the flying cities of Tripura)

(indeclinable)

Derived by suffix vat (like) to a compound noun.

Compound type : tatpuruṣa (proḍḍīna+tripura+ogha+vat)

• proḍḍīna – flown away, flown up, soaring, flying
  participle (neuter)
  past passive participle
  From √ḍī (to fly) with preverb pra (and ut).
  Prefixes: pra+ut
  Root: ḍī (class 4)
• tripura – three cities (mythical stronghold of Asuras)
  noun (neuter)
• ogha – flood, torrent, multitude, mass, heap
  noun (masculine)
• vat – like, as, similar to
  indeclinable (suffix)
  Suffix indicating similarity.

Note: Adverb of comparison.