योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-24, verse-60

क्वचित्प्रावृड्भवोन्मत्तघनाभ्ररवघर्घरम् ।
क्वचित्सुरासुरगणप्रवृत्तरणदुगमम् ॥ ६० ॥

kvacitprāvṛḍbhavonmattaghanābhraravaghargharam ,
kvacitsurāsuragaṇapravṛttaraṇadugamam 60

60. kvacit prāvṛḍbhavonmattaghanābhraravaghargharam
kvacit surāsuragaṇapravṛttaraṇadurgamam

60. kvacit prāvṛḍbhavonmattaghanābhraravaghargharam
kvacit surāsuragaṇapravṛttaraṇadurgamam

60. At times, it was marked by the rumbling roar of frenzied, dense clouds born of the rainy season. At other times, it was made impassable by the fierce battle between hosts of gods and demons.

Words meanings summery:

• क्वचित् (kvacit) - At times (sometimes, at some place)

• प्रावृड्भवोन्मत्तघनाभ्ररवघर्घरम् (prāvṛḍbhavonmattaghanābhraravaghargharam) - referring to the specific characteristic of the described environment (marked by the rumbling sound of frenzied, dense clouds born of the rainy season)

• क्वचित् (kvacit) - At other times (sometimes, at some place)

• सुरासुरगणप्रवृत्तरणदुर्गमम् (surāsuragaṇapravṛttaraṇadurgamam) - referring to the specific characteristic of the described environment (difficult to traverse due to the battle engaged in by hosts of gods and demons)

Words meanings and morphology

क्वचित् (kvacit) - At times (sometimes, at some place)

(indeclinable)

Formed from `ka` (what) + `cid` (particle indicating indefiniteness).

प्रावृड्भवोन्मत्तघनाभ्ररवघर्घरम् (prāvṛḍbhavonmattaghanābhraravaghargharam) - referring to the specific characteristic of the described environment (marked by the rumbling sound of frenzied, dense clouds born of the rainy season)

(adjective)

Accusative, neuter, singular of prāvṛḍbhavonmattaghanābhraravagharghara

prāvṛḍbhavonmattaghanābhraravagharghara - characterized by the rumbling sound of frenzied, dense clouds born of the rainy season

Compound type : bahuvrihi (prāvṛṭ+bhava+unmatta+ghana+abhra+rava+gharghara)

• prāvṛṭ – rainy season, monsoon
  noun (feminine)
• bhava – birth, origin, existence, arising
  noun (masculine)
  From root `bhū` (to be, to become).
  Root: bhū (class 1)
• unmatta – frenzied, intoxicated, excited, mad
  adjective
  Past Passive Participle
  From `ud-mad` (to be mad, to become intoxicated).
  Prefix: ud
  Root: mad (class 4)
• ghana – dense, thick, solid; cloud
  noun (masculine)
• abhra – cloud, sky
  noun (neuter)
• rava – sound, roar, cry, noise
  noun (masculine)
  From root `ru` (to sound, roar).
  Root: ru (class 2)
• gharghara – rumbling, roaring (onomatopoeic sound)
  noun (masculine)
  Onomatopoeic.

Note: This compound functions as an adjective, agreeing with an unstated neuter singular accusative noun (e.g., `sthānam`).

क्वचित् (kvacit) - At other times (sometimes, at some place)

(indeclinable)

Formed from `ka` (what) + `cid` (particle indicating indefiniteness).

सुरासुरगणप्रवृत्तरणदुर्गमम् (surāsuragaṇapravṛttaraṇadurgamam) - referring to the specific characteristic of the described environment (difficult to traverse due to the battle engaged in by hosts of gods and demons)

(adjective)

Accusative, neuter, singular of surāsuragaṇapravṛttaraṇadurgama

surāsuragaṇapravṛttaraṇadurgama - difficult to access/pass through due to the battle fought by groups of gods and demons

Compound type : bahuvrihi (sura+asura+gaṇa+pravṛtta+raṇa+durgama)

• sura – god, deity
  noun (masculine)
• asura – demon, titan (non-god)
  noun (masculine)
  Negation of `sura`.
  Prefix: a
• gaṇa – group, host, multitude, troop
  noun (masculine)
  Root: gaṇ (class 10)
• pravṛtta – engaged in, begun, active, proceeding
  adjective
  Past Passive Participle
  From `pra-vṛt` (to turn forth, proceed, begin).
  Prefix: pra
  Root: vṛt (class 1)
• raṇa – battle, combat, war
  noun (masculine)
  From root `raṇ` (to rejoice, to sound, to go).
  Root: raṇ (class 1)
• durgama – difficult to access, impassable, inaccessible
  adjective
  From `dur` (difficult) + `gama` (going).
  Prefix: dur
  Root: gam (class 1)

Note: This compound functions as an adjective, agreeing with an unstated neuter singular accusative noun.