योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-17, verse-21

उत्तरद्वारगासंख्यरथहस्त्यश्वसंकुलम् ।
एकभृत्यविनिर्णीतदक्षिणापथविग्रहम् ॥ २१ ॥

uttaradvāragāsaṃkhyarathahastyaśvasaṃkulam ,
ekabhṛtyavinirṇītadakṣiṇāpathavigraham 21

21. uttaradvāragāsaṃkhyarathahastyśvasaṃkulam
ekabhṛtyavinirṇītadakṣiṇāpathavigraham

21. uttaradvāragāsaṃkhyarathahastyśvasaṃkulam
ekabhṛtyavinirṇītadakṣiṇāpathavigraham

21. Characterized by an immeasurable multitude of chariots, elephants, and horses heading towards the northern gate, and the conflict of the southern region settled by a single servant.

Words meanings summery:

• उत्तरद्वारगासंख्यरथहस्त्य्श्वसंकुलम् (uttaradvāragāsaṁkhyarathahastyśvasaṁkulam) - describing a grand entity (e.g., a city or assembly) that includes such a multitude at its northern gate (that which has an immeasurable multitude of chariots, elephants, and horses going towards the northern gate)

• एकभृत्यविनिर्णीतदक्षिणापथविग्रहम् (ekabhṛtyavinirṇītadakṣiṇāpathavigraham) - describing a grand entity (e.g., a city or assembly) where a specific political situation is managed by a single servant (that in which the conflict of the southern region is settled by a single servant)

Words meanings and morphology

उत्तरद्वारगासंख्यरथहस्त्य्श्वसंकुलम् (uttaradvāragāsaṁkhyarathahastyśvasaṁkulam) - describing a grand entity (e.g., a city or assembly) that includes such a multitude at its northern gate (that which has an immeasurable multitude of chariots, elephants, and horses going towards the northern gate)

(adjective)

Accusative, neuter, singular of uttaradvāragāsaṃkhyarathahastyśvasaṃkula

uttaradvāragāsaṁkhyarathahastyśvasaṁkula - having an innumerable multitude of chariots, elephants, and horses going towards the northern gate, making it crowded

Compound type : bahuvrīhi (uttaradvāragā+asaṃkhya+rathahastyśva+saṃkula)

• uttaradvāragā – going towards the northern gate
  adjective (feminine)
• uttaradvāra – northern gate
  noun (neuter)
• uttara – northern, later, superior
  adjective (neuter)
• dvāra – gate, door, entrance
  noun (neuter)
• gā – going, moving (feminine)
  adjective (feminine)
  Agent noun/adjective
  Feminine form of 'ga' (one who goes), from root 'gam'
  Root: gam (class 1)
• asaṃkhya – innumerable, countless, immeasurable
  adjective (neuter)
  Negative compound 'a' (not) + 'saṃkhya' (number)
  Prefix: a
• a – not, non-, un-
  indeclinable
  Negative prefix
• saṃkhya – number, count, enumeration
  noun (masculine)
• rathahastyśva – chariots, elephants, and horses
  noun (masculine)
• ratha – chariot, car
  noun (masculine)
• hastin – elephant
  noun (masculine)
• aśva – horse
  noun (masculine)
• saṃkula – crowded, filled, thronged, confused
  adjective (neuter)
  Past Passive Participle
  Derived from root 'kul' with prefix 'saṃ'
  Prefix: sam
  Root: kul (class 1)

Note: This long compound acts as an adjective in the accusative singular neuter, modifying an implied noun.

एकभृत्यविनिर्णीतदक्षिणापथविग्रहम् (ekabhṛtyavinirṇītadakṣiṇāpathavigraham) - describing a grand entity (e.g., a city or assembly) where a specific political situation is managed by a single servant (that in which the conflict of the southern region is settled by a single servant)

(adjective)

Accusative, neuter, singular of ekabhṛtyavinirṇītadakṣiṇāpathavigraha

ekabhṛtyavinirṇītadakṣiṇāpathavigraha - having the southern region's conflict settled by a single servant

Compound type : bahuvrīhi (ekabhṛtya+vinirṇīta+dakṣiṇāpathavigraha)

• ekabhṛtya – by a single servant
  noun (masculine)
  Compound implying instrumentality for the PPP 'vinirṇīta'
• eka – one, single, sole
  numeral (masculine)
• bhṛtya – servant, dependant, hireling
  noun (masculine)
  Gerundive/Passive Participle (secondary meaning as noun)
  Derived from root bhṛ (to bear, support)
  Root: bhṛ (class 3)
• vinirṇīta – decided, settled, determined, ascertained
  adjective (neuter)
  Past Passive Participle
  Derived from root nī (to lead) with prefixes vi and nir
  Prefixes: vi+nir
  Root: ṇī (class 1)
• dakṣiṇāpathavigraha – conflict/war of the southern region
  noun (masculine)
• dakṣiṇāpatha – southern region, Deccan
  proper noun (masculine)
• dakṣiṇā – southern (feminine form), south
  adjective (feminine)
• patha – path, road, way, region
  noun (masculine)
• vigraha – conflict, war, quarrel, separation
  noun (masculine)
  Derived from root grah (to seize) with prefix vi
  Prefix: vi
  Root: grah (class 9)

Note: This long compound acts as an adjective in the accusative singular neuter, modifying an implied noun.