योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-96, verse-18

विश्वात्मकचनं नाम पदेऽसंभववेधसः ।
तदहंवेदनं विद्धि विराडात्मा जगत्स्थितम् ॥ १८ ॥

viśvātmakacanaṃ nāma pade'saṃbhavavedhasaḥ ,
tadahaṃvedanaṃ viddhi virāḍātmā jagatsthitam 18

18. viśvātmakacanam nāma pade asaṃbhava-vedhasaḥ
tat aham-vedanam viddhi virāṭ-ātmā jagat-sthitam

18. viśvātmakacanam nāma (asti) pade asaṃbhava-vedhasaḥ
tat jagat-sthitam virāṭ-ātmā aham-vedanam viddhi

18. What is called the manifestation of the universal self (ātman) is, in essence, the state where the creator (Brahma) is unborn. Know that this 'I-consciousness' (ahaṃvedanam) is the cosmic self (virāṭ-ātman) that resides within and constitutes the entire world.

Words meanings summery:

• विश्वात्मकचनम् (viśvātmakacanam) - the manifestation of the universal self (ātman)

• नाम (nāma) - Indicates 'what is called' or 'is known as'. (by name, named, indeed, verily)

• पदे (pade) - Referring to the conceptual or ontological state. (in the state, in the position, in the word/concept)

• असंभव-वेधसः (asaṁbhava-vedhasaḥ) - Referring to a state where Brahma (the creator) does not yet exist, prior to creation. (of the impossible creator, of the unmanifested Brahma)

• तत् (tat) - Refers to 'ahaṃvedanam'. (that, it)

• अहम्-वेदनम् (aham-vedanam) - I-consciousness, self-awareness

• विद्धि (viddhi) - know, understand

• विराट्-आत्मा (virāṭ-ātmā) - the cosmic self (ātman), the universal soul (ātman)

• जगत्-स्थितम् (jagat-sthitam) - situated in the world, pervading the world, abiding as the world

Words meanings and morphology

विश्वात्मकचनम् (viśvātmakacanam) - the manifestation of the universal self (ātman)

(noun)

Nominative, neuter, singular of viśvātmakacana

viśvātmakacana - manifestation/revelation of the universal self (ātman)

Derived from 'kac' (to shine, manifest) with 'lyuṭ' suffix.

Compound type : tatpurusha (viśva+ātman+kacana)

• viśva – all, entire, universal
  adjective
• ātman – self, soul, spirit, essence
  noun (masculine)
• kacana – shining, revealing, manifesting
  noun (neuter)
  verbal noun
  From root 'kac' with 'lyuṭ' suffix.
  Root: kac (class 1)

नाम (nāma) - Indicates 'what is called' or 'is known as'. (by name, named, indeed, verily)

(indeclinable)

Note: Used as an emphatic or specifying particle.

पदे (pade) - Referring to the conceptual or ontological state. (in the state, in the position, in the word/concept)

(noun)

Locative, neuter, singular of pada

pada - foot, step, word, state, position, station

असंभव-वेधसः (asaṁbhava-vedhasaḥ) - Referring to a state where Brahma (the creator) does not yet exist, prior to creation. (of the impossible creator, of the unmanifested Brahma)

(noun)

Genitive, masculine, singular of asaṃbhava-vedhas

asaṁbhava-vedhas - one whose existence is impossible, unmanifest creator, Brahma whose origin is not

Compound type : bahuvrīhi (a+saṃbhava+vedhas)

• a – not, non-, un-
  indeclinable
  negative prefix
• saṃbhava – existence, birth, origin, possibility
  noun (masculine)
  verbal noun
  From root 'bhū' with 'sam' prefix and 'apa' suffix.
  Prefix: sam
  Root: bhū (class 1)
• vedhas – creator, Brahma, arranger
  noun (masculine)
  Root: vidh (class 1)

Note: Refers to Brahma in genitive case, modifying 'pade'.

तत् (tat) - Refers to 'ahaṃvedanam'. (that, it)

(pronoun)

Accusative, neuter, singular of tad

tad - that, he, she, it

Note: Object of 'viddhi'.

अहम्-वेदनम् (aham-vedanam) - I-consciousness, self-awareness

(noun)

Accusative, neuter, singular of aham-vedana

aham-vedana - I-consciousness, self-awareness

verbal noun

'aham' (I) + 'vedana' (knowledge, consciousness).

Compound type : tatpurusha (aham+vedana)

• aham – I
  pronoun
• vedana – knowledge, understanding, perception, sensation, consciousness
  noun (neuter)
  verbal noun
  From root 'vid' (to know) with 'lyuṭ' suffix.
  Root: vid (class 2)

Note: Object of 'viddhi'.

विद्धि (viddhi) - know, understand

(verb)

2nd person , singular, active, imperative (loṭ) of vid

imperative active

root 'vid', 2nd class, 'hi' suffix

Root: vid (class 2)

विराट्-आत्मा (virāṭ-ātmā) - the cosmic self (ātman), the universal soul (ātman)

(noun)

Nominative, masculine, singular of virāṭ-ātman

virāṭ-ātman - the cosmic self (ātman), the universal soul (ātman), the manifest universe as a single entity

'virāṭ' (the cosmic form) + 'ātman' (self).

Compound type : tatpurusha (virāṭ+ātman)

• virāṭ – shining forth, splendid, vast, the cosmic form (Puruṣa)
  noun (masculine)
• ātman – self, soul, spirit, essence
  noun (masculine)

Note: Predicate nominative for 'ahaṃvedanam' (accusative).

जगत्-स्थितम् (jagat-sthitam) - situated in the world, pervading the world, abiding as the world

(adjective)

Accusative, neuter, singular of jagat-sthita

jagat-sthita - situated in the world, abiding as the world, pervading the world

'jagat' (world) + 'sthita' (situated, standing, abiding).

Compound type : tatpurusha (jagat+sthita)

• jagat – world, universe
  noun (neuter)
  Present Active Participle
  From root 'gam' (to go) + 'śatr̥' suffix, used as a noun.
  Root: gam (class 1)
• sthita – situated, standing, abiding, established
  adjective
  Past Passive Participle
  From root 'sthā' (to stand).
  Root: sthā (class 1)

Note: Modifies 'ahaṃvedanam' and 'virāṭ-ātmā'.