योगवासिष्ठः yogavāsiṣṭhaḥ - book-1, chapter-23, verse-27

कालोऽयं भूतमशकघुंघुमानां प्रपातिनाम् ।
ब्रह्माण्डोदुम्बरौघानां बृहत्पादपतां गतः ॥ २७ ॥

kālo'yaṃ bhūtamaśakaghuṃghumānāṃ prapātinām ,
brahmāṇḍodumbaraughānāṃ bṛhatpādapatāṃ gataḥ 27

27. kālaḥ ayam bhūtamaśakaghuṃghumānām prapātinām
brahmāṇḍodumbaraoghānām bṛhatpādapatām gataḥ

27. ayam kālaḥ bhūtamaśakaghuṃghumānām prapātinām
brahmāṇḍodumbaraoghānām bṛhatpādapatām gataḥ

27. This (momentous) Time (kāla) has become the ultimate destination for the continually perishing, buzzing swarms of creatures (bhūta) (like mosquitoes), and for the vast, falling leaves of the countless universes (brahmāṇḍa) which resemble fig trees (udumbara).

Words meanings summery:

• कालः (kālaḥ) - Time, appointed time, destiny, death

• अयम् (ayam) - this, this one, he

• भूतमशकघुंघुमानाम् (bhūtamaśakaghuṁghumānām) - of the buzzing mosquitoes of beings/creatures

• प्रपातिनाम् (prapātinām) - of those falling, of the perishing, of those who perish

• ब्रह्माण्डोदुम्बरओघानाम् (brahmāṇḍodumbaraoghānām) - of the multitudes of fig trees that are universes

• बृहत्पादपताम् (bṛhatpādapatām) - of those whose great leaves fall

• गतः (gataḥ) - gone, reached, become, attained, fallen to (as a fate)

Words meanings and morphology

कालः (kālaḥ) - Time, appointed time, destiny, death

(noun)

Nominative, masculine, singular of kāla

kāla - time, black, dark, destiny, death

अयम् (ayam) - this, this one, he

(pronoun)

Nominative, masculine, singular of idam

idam - this, this one

भूतमशकघुंघुमानाम् (bhūtamaśakaghuṁghumānām) - of the buzzing mosquitoes of beings/creatures

(adjective)

Genitive, masculine, plural of bhūtamaśakaghuṃghumāna

bhūtamaśakaghuṁghumāna - buzzing mosquitoes among living beings

Compound type : ṣaṣṭhī-tatpuruṣa (bhūta+maśaka+ghuṃghumāna)

• bhūta – being, creature, element, existing
  noun (neuter)
  Past Passive Participle
  Derived from root bhū.
  Root: bhū (class 1)
• maśaka – mosquito, gnat
  noun (masculine)
• ghuṃghumāna – buzzing, humming
  adjective (masculine)
  Present Middle Participle
  Derived from the onomatopoeic root ghuṃghum.
  Root: ghuṃghum

प्रपातिनाम् (prapātinām) - of those falling, of the perishing, of those who perish

(adjective)

Genitive, masculine, plural of prapātin

prapātin - falling, perishable, perishing

Agent Noun / Adjective

Derived from root pat with prefix pra, denoting an agent or one who habitually performs the action.

Prefix: pra

Root: pat (class 1)

ब्रह्माण्डोदुम्बरओघानाम् (brahmāṇḍodumbaraoghānām) - of the multitudes of fig trees that are universes

(noun)

Genitive, masculine, plural of brahmāṇḍodumbaraogha

brahmāṇḍodumbaraogha - multitudes of universe-like fig trees

Compound type : tatpuruṣa (brahmāṇḍa+udumbara+ogha)

• brahmāṇḍa – universe, cosmic egg
  noun (neuter)
• udumbara – fig tree (Ficus racemosa)
  noun (masculine)
• ogha – flood, stream, multitude, mass, heap
  noun (masculine)

बृहत्पादपताम् (bṛhatpādapatām) - of those whose great leaves fall

(adjective)

Genitive, masculine, plural of bṛhatpādapata

bṛhatpādapata - having a great fall of leaves/feet

Compound type : bahuvrīhi (bṛhat+pāda+pata)

• bṛhat – great, large, vast, mighty
  adjective
• pāda – foot, ray, leaf (of a tree), chapter
  noun (masculine)
• pata – falling, fall, flight
  noun (masculine)
  Root: pat (class 1)

गतः (gataḥ) - gone, reached, become, attained, fallen to (as a fate)

(adjective)

Nominative, masculine, singular of gata

gata - gone, moved, obtained, known, reached, become

Past Passive Participle

Derived from root gam.

Root: gam (class 1)