योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-128, verse-13

अनादिमध्यपर्यन्ते तस्मिन्ब्रह्ममहाम्बरे ।
महाचिन्नाम्नि सर्वात्मन्ययोनिर्वाणरूपिणि ॥ १३ ॥

anādimadhyaparyante tasminbrahmamahāmbare ,
mahācinnāmni sarvātmanyayonirvāṇarūpiṇi 13

13. anādimadhyaparyante tasmin brahmamahāambare
mahācit nāmni sarvātmani ayonirvāṇarūpiṇi

13. tasmin brahmamahāambare anādimadhyaparyante
mahācit nāmni sarvātmani ayonirvāṇarūpiṇi

13. In that boundless expanse of Brahman (brahman), which is without beginning, middle, or end, which is known as the great consciousness, which is the supreme self (ātman) of all, and which inherently possesses the nature of unborn liberation (nirvāṇa).

Words meanings summery:

• अनादिमध्यपर्यन्ते (anādimadhyaparyante) - without beginning, middle, or end; endless; eternal

• तस्मिन् (tasmin) - in that, in him, in it

• ब्रह्ममहाअम्बरे (brahmamahāambare) - in the great sky which is Brahman, in the vast expanse of Brahman (brahman)

• महाचित् (mahācit) - great consciousness, supreme consciousness

• नाम्नि (nāmni) - in the name, by name, named

• सर्वात्मनि (sarvātmani) - in the self of all, in the supreme self (ātman) of all, which is the self of all

• अयोनिर्वाणरूपिणि (ayonirvāṇarūpiṇi) - having the nature of unborn liberation (nirvāṇa), in the form of unborn liberation

Words meanings and morphology

अनादिमध्यपर्यन्ते (anādimadhyaparyante) - without beginning, middle, or end; endless; eternal

(adjective)

Locative, masculine, singular of anādimadhyaparyanta

anādimadhyaparyanta - without beginning, middle, or end; endless

Compound formed with 'an' (negative prefix) and 'ādi-madhya-paryanta'

Compound type : bahuvrīhi (an+ādi+madhya+paryanta)

• an – not, un-
  indeclinable
  negative prefix
• ādi – beginning, origin
  noun (masculine)
• madhya – middle, center
  noun (neuter)
• paryanta – end, limit, boundary
  noun (masculine)

Note: Refers to Brahman as without limits.

तस्मिन् (tasmin) - in that, in him, in it

(pronoun)

Locative, masculine, singular of tad

tad - that, he, she, it

Demonstrative pronoun.

Note: Agrees with 'brahmamahāambare'.

ब्रह्ममहाअम्बरे (brahmamahāambare) - in the great sky which is Brahman, in the vast expanse of Brahman (brahman)

(noun)

Locative, neuter, singular of brahmamahāambara

brahmamahāambara - the great ether which is Brahman; the vast expanse of Brahman

Compound of 'brahman', 'mahā' and 'ambara'.

Compound type : karmadhāraya (brahman+mahā+ambara)

• brahman – the Absolute Reality, ultimate truth, supreme spirit
  noun (neuter)
  Root: bṛh (class 1)
• mahā – great, large, mighty
  adjective
• ambara – sky, ether, space, garment
  noun (neuter)

Note: The object being described, in its locative state.

महाचित् (mahācit) - great consciousness, supreme consciousness

(noun)

feminine, singular of mahācit

mahācit - great consciousness, supreme consciousness

Compound of 'mahā' and 'cit'.

Compound type : karmadhāraya (mahā+cit)

• mahā – great, large, mighty
  adjective
• cit – consciousness, knowledge, understanding
  noun (feminine)
  Root: cit (class 1)

Note: The base form before external sandhi with 'nāmni'.

नाम्नि (nāmni) - in the name, by name, named

(noun)

Locative, neuter, singular of nāman

nāman - name, appellation

Note: Describes the entity as 'named mahācit'.

सर्वात्मनि (sarvātmani) - in the self of all, in the supreme self (ātman) of all, which is the self of all

(noun)

Locative, masculine, singular of sarvātman

sarvātman - the self (ātman) of all, the universal spirit, the supreme self

Compound of 'sarva' and 'ātman'.

Compound type : tatpuruṣa (sarva+ātman)

• sarva – all, every, whole
  adjective
• ātman – self, soul, supreme spirit
  noun (masculine)
  Root: an (class 2)

Note: Describes Brahman as the universal self.

अयोनिर्वाणरूपिणि (ayonirvāṇarūpiṇi) - having the nature of unborn liberation (nirvāṇa), in the form of unborn liberation

(adjective)

Locative, masculine, singular of ayonirvāṇarūpin

ayonirvāṇarūpin - having the form/nature of unborn (ayonī) liberation (nirvāṇa)

Compound of 'a-yoni', 'nirvāṇa', and 'rūpin'.

Compound type : bahuvrīhi (a+yoni+nirvāṇa+rūpin)

• a – not, un-
  indeclinable
  negative prefix
• yoni – womb, origin, source, birth
  noun (feminine)
• nirvāṇa – extinction, cessation, liberation (mokṣa), ultimate freedom
  noun (neuter)
  Prefix: nis
  Root: vā (class 2)
• rūpin – having the form of, characterized by, consisting of
  adjective (masculine)
  Suffix -in added to rūpa (form)

Note: Modifies 'brahmamahāambare'.