योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-40, verse-40

बोधोन्मुखत्वे हि महत्तत्प्रबुद्धं यदा भवेत् ।
तदा तन्मात्रदिक्कालक्रिया भूताद्युदेति खात् ॥ ४० ॥

bodhonmukhatve hi mahattatprabuddhaṃ yadā bhavet ,
tadā tanmātradikkālakriyā bhūtādyudeti khāt 40

40. bodhonmukhatve hi mahat tat prabuddham yadā bhavet
tadā tanmātra dik kāla kriyā bhūtādi udeti khāt

40. hi yadā bodhonmukhatve tat mahat prabuddham bhavet,
tadā khāt tanmātra dik kāla kriyā bhūtādi udeti.

40. Indeed, when that great principle (mahat) becomes fully awakened (prabuddha) due to its inclination towards consciousness (bodha), then from space (kha) arise the subtle elements (tanmātra), directions, time, actions, and the gross elements (bhūta), and so forth.

Words meanings summery:

• बोधोन्मुखत्वे (bodhonmukhatve) - in the state of being inclined towards awakening/knowledge

• हि (hi) - indeed, surely, because

• महत् (mahat) - the cosmic intellect (buddhi) or the great principle, the first evolute of prakṛti (the great principle, intellect)

• तत् (tat) - that

• प्रबुद्धम् (prabuddham) - awakened, manifest, conscious

• यदा (yadā) - when

• भवेत् (bhavet) - should be, may be, becomes

• तदा (tadā) - then

• तन्मात्र (tanmātra) - subtle elements (of sound, touch, form, taste, smell) in Sāṃkhya philosophy (subtle element, rudimentary element)

• दिक् (dik) - direction, quarter (of space)

• काल (kāla) - time

• क्रिया (kriyā) - action, activity

• भूतादि (bhūtādi) - the gross elements and so forth

• उदेति (udeti) - arises, rises

• खात् (khāt) - from space, from ether

Words meanings and morphology

बोधोन्मुखत्वे (bodhonmukhatve) - in the state of being inclined towards awakening/knowledge

(noun)

Locative, neuter, singular of bodhonmukhatva

bodhonmukhatva - inclination towards awakening/knowledge

derived from `bodha` and `unmukha` with suffix `-tva`

Compound type : tatpuruṣa (bodha+unmukha+tva)

• bodha – awakening, knowledge, understanding
  noun (masculine)
  action noun
  derived from root budh (to know, awaken)
  Root: budh (class 1)
• unmukha – facing, inclined towards, eager for
  adjective (masculine)
  derived from mukha (face) with prefix ud
  Prefix: ud
  Root: mukh
• tva – state of being, -ness
  suffix (neuter)
  abstract noun forming suffix

हि (hi) - indeed, surely, because

(indeclinable)

Note: Emphatic particle.

महत् (mahat) - the cosmic intellect (buddhi) or the great principle, the first evolute of prakṛti (the great principle, intellect)

(noun)

Nominative, neuter, singular of mahat

mahat - great, large; the great principle, intellect (buddhi)

तत् (tat) - that

(pronoun)

Nominative, neuter, singular of tad

tad - that, it

प्रबुद्धम् (prabuddham) - awakened, manifest, conscious

(adjective)

Nominative, neuter, singular of prabuddha

prabuddha - awakened, enlightened, manifest

past passive participle

derived from root budh (to know, awaken) with prefix pra

Prefix: pra

Root: budh (class 1)

यदा (yadā) - when

(indeclinable)

भवेत् (bhavet) - should be, may be, becomes

(verb)

3rd person , singular, active, optative (vidhi liṅ) of bhū

optative active 3rd person singular

Root: bhū (class 1)

तदा (tadā) - then

(indeclinable)

तन्मात्र (tanmātra) - subtle elements (of sound, touch, form, taste, smell) in Sāṃkhya philosophy (subtle element, rudimentary element)

(noun)

Nominative, neuter, plural of tanmātra

tanmātra - subtle element, rudimentary element (of sound, touch, form, taste, smell)

compound of 'tad' (that) + 'mātra' (only, mere)

Compound type : tatpuruṣa (tad+mātra)

• tad – that
  pronoun (neuter)
• mātra – mere, only, measure
  adjective (neuter)

Note: Refers to the group of subtle elements.

दिक् (dik) - direction, quarter (of space)

(noun)

Nominative, feminine, plural of diś

diś - direction, quarter, region

Root: diś (class 6)

Note: Refers to the cardinal directions.

काल (kāla) - time

(noun)

Nominative, masculine, singular of kāla

kāla - time

क्रिया (kriyā) - action, activity

(noun)

Nominative, feminine, singular of kriyā

kriyā - action, activity, performance

action noun

derived from root kṛ (to do)

Root: kṛ (class 8)

भूतादि (bhūtādi) - the gross elements and so forth

(noun)

Nominative, neuter, plural of bhūtādi

bhūtādi - the gross elements etc.

Compound type : tatpuruṣa (bhūta+ādi)

• bhūta – element, being, creature
  noun (neuter)
  past passive participle (used as noun)
  derived from root bhū (to be)
  Root: bhū (class 1)
• ādi – beginning, etcetera, and so forth
  indeclinable

उदेति (udeti) - arises, rises

(verb)

3rd person , singular, active, present (laṭ) of i

present active indicative 3rd person singular, with prefix ud

Prefix: ud

Root: i (class 2)

Note: The subject is collective, implying plural 'these things arise', but the verb is singular because it's a list taken as a unit or because `ādi` (etc.) makes it effectively a singular concept of 'that which begins'.

खात् (khāt) - from space, from ether

(noun)

Ablative, neuter, singular of kha

kha - space, ether, sky

Note: Indicates the source of origin.