योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-103, verse-66

परमाणुसमूहश्चेत्संभूय कुरुते जगत् ।
यदृच्छयैव तमसि शीर्यते च यदृच्छया ॥ ६६ ॥

paramāṇusamūhaścetsaṃbhūya kurute jagat ,
yadṛcchayaiva tamasi śīryate ca yadṛcchayā 66

66. paramaṇusamūhaḥ cet saṃbhūya kurute jagat
yadṛcchayā eva tamasi śīryate ca yadṛcchayā

66. cet paramaṇusamūhaḥ saṃbhūya jagat kurute
ca yadṛcchayā eva tamasi yadṛcchayā śīryate

66. If a group of atoms, by combining, creates the world, then it (the world) also disintegrates by chance, dissolving into darkness.

Words meanings summery:

• परमणुसमूहः (paramaṇusamūhaḥ) - a group of atoms

• चेत् (cet) - if

• संभूय (saṁbhūya) - having come together, combining

• कुरुते (kurute) - makes, creates

• जगत् (jagat) - the world, universe

• यदृच्छया (yadṛcchayā) - by chance, spontaneously, randomly

• एव (eva) - indeed, only, certainly

• तमसि (tamasi) - in darkness, in ignorance

• शीर्यते (śīryate) - perishes, wastes away, is destroyed, disintegrates

• च (ca) - and

• यदृच्छया (yadṛcchayā) - by chance, spontaneously, randomly

Words meanings and morphology

परमणुसमूहः (paramaṇusamūhaḥ) - a group of atoms

(noun)

Nominative, masculine, singular of paramaṇusamūha

paramaṇusamūha - group of atoms

Compound type : tatpuruṣa (paramaṇu+samūha)

• paramaṇu – supreme atom, ultimate particle
  noun (masculine)
• samūha – collection, group, multitude
  noun (masculine)
  Prefix: sam
  Root: ūh (class 1)

चेत् (cet) - if

(indeclinable)

संभूय (saṁbhūya) - having come together, combining

(indeclinable)

absolutive/gerund

Formed from the root 'bhū' (to be, to become) with the prefix 'sam'.

Prefix: sam

Root: bhū (class 1)

कुरुते (kurute) - makes, creates

(verb)

3rd person , singular, middle, present (laṭ) of kṛ

Present Tense

Root: kṛ (class 8)

जगत् (jagat) - the world, universe

(noun)

Accusative, neuter, singular of jagat

jagat - moving, living, the world

Present Active Participle

Derived from root 'gam' (to go) with the suffix 'śatṛ'.

Root: gam (class 1)

यदृच्छया (yadṛcchayā) - by chance, spontaneously, randomly

(noun)

Instrumental, feminine, singular of yadṛcchā

yadṛcchā - spontaneity, independence, chance

एव (eva) - indeed, only, certainly

(indeclinable)

तमसि (tamasi) - in darkness, in ignorance

(noun)

Locative, neuter, singular of tamas

tamas - darkness, gloom, ignorance, a quality of nature (prakṛti)

शीर्यते (śīryate) - perishes, wastes away, is destroyed, disintegrates

(verb)

3rd person , singular, passive, present (laṭ) of śṝ

Present Tense

Passive voice form of the root 'śṝ'.

Root: śṝ (class 9)

च (ca) - and

(indeclinable)

यदृच्छया (yadṛcchayā) - by chance, spontaneously, randomly

(noun)

Instrumental, feminine, singular of yadṛcchā

yadṛcchā - spontaneity, independence, chance