योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-12, verse-12

काश्चिदन्तरमासाद्य ब्रह्मतत्त्वमहाम्बुधेः ।
गतास्तत्तां समं कार्यैर्हरिब्रह्महरादिकाः ॥ १२ ॥

kāścidantaramāsādya brahmatattvamahāmbudheḥ ,
gatāstattāṃ samaṃ kāryairharibrahmaharādikāḥ 12

12. kāścit antaram āsādya brahma-tattva-mahāmbudheḥ |
gatāḥ tattām samam kāryaiḥ hari-brahma-hara-ādikāḥ

12. kāścit brahma-tattva-mahāmbudheḥ antaram āsādya,
kāryaiḥ samam,
hari-brahma-hara-ādikāḥ,
tattām gatāḥ.

12. Some beings, having attained the inner essence of the great ocean of the reality of (brahman), have reached that state (of non-duality with brahman) along with their respective functions, such as Hari, Brahma, Hara, and others.

Words meanings summery:

• काश्चित् (kāścit) - some beings (feminine plural, referring to jīvas/souls) (some, certain ones)

• अन्तरम् (antaram) - the inner essence (interior, essence, inner space, difference)

• आसाद्य (āsādya) - having attained (having reached, having attained, having approached)

• ब्रह्म-तत्त्व-महाम्बुधेः (brahma-tattva-mahāmbudheḥ) - of the great ocean of the reality of (brahman) (of the great ocean of the reality of Brahman)

• गताः (gatāḥ) - have attained, reached (the state) (have gone, attained, reached)

• तत्ताम् (tattām) - that state (of non-duality with brahman) (that-ness, the state of being That)

• समम् (samam) - along with (together, along with, equally)

• कार्यैः (kāryaiḥ) - with their respective functions (or creations/bodies) (by/with functions, effects, actions)

• हरि-ब्रह्म-हर-आदिकाः (hari-brahma-hara-ādikāḥ) - such as Hari, Brahma, Hara, and others (Hari, Brahma, Hara, and others)

Words meanings and morphology

काश्चित् (kāścit) - some beings (feminine plural, referring to jīvas/souls) (some, certain ones)

(pronoun)

Nominative, feminine, plural of kāścit

kāścit - some, a certain (one/thing)

Feminine form of the indefinite pronoun 'kaścid'.

अन्तरम् (antaram) - the inner essence (interior, essence, inner space, difference)

(noun)

Accusative, neuter, singular of antara

antara - interior, essence, difference, interval, middle

Note: Object of 'āsādya'.

आसाद्य (āsādya) - having attained (having reached, having attained, having approached)

(indeclinable)

absolutive

Absolutive (gerund) form of root 'sad' (to sit, approach) with prefix 'ā'.

Prefix: ā

Root: sad (class 1)

ब्रह्म-तत्त्व-महाम्बुधेः (brahma-tattva-mahāmbudheḥ) - of the great ocean of the reality of (brahman) (of the great ocean of the reality of Brahman)

(noun)

Genitive, masculine, singular of brahmatattvamahāmbudhi

brahmatattvamahāmbudhi - great ocean of the reality of Brahman

Compound of 'brahman' (Brahman), 'tattva' (reality, essence), and 'mahāmbudhi' (great ocean).

Compound type : tatpurusha (brahman+tattva+mahāmbudhi)

• brahman – the Absolute, ultimate reality, the Supreme Spirit (brahman)
  noun (neuter)
• tattva – reality, truth, essence, principle
  noun (neuter)
  From 'tat' (that) + 'tva' (state of being).
• mahāmbudhi – great ocean
  noun (masculine)
  Compound of 'mahā' (great) and 'ambudhi' (ocean).

Note: Governs 'antaram'.

गताः (gatāḥ) - have attained, reached (the state) (have gone, attained, reached)

(adjective)

Nominative, feminine, plural of gata

gata - gone, reached, attained

Past Passive Participle

Past passive participle of root 'gam' (to go).

Root: gam (class 1)

Note: Functions as a predicate, referring to 'kāścit'.

तत्ताम् (tattām) - that state (of non-duality with brahman) (that-ness, the state of being That)

(noun)

Accusative, feminine, singular of tattā

tattā - that-ness, the state of being That/Brahman

From 'tat' (that, often referring to Brahman) with suffix '-tā' (state of being).

Note: Object of 'gatāḥ'.

समम् (samam) - along with (together, along with, equally)

(indeclinable)

Note: Used adverbially to mean 'together with'.

कार्यैः (kāryaiḥ) - with their respective functions (or creations/bodies) (by/with functions, effects, actions)

(noun)

Instrumental, neuter, plural of kārya

kārya - to be done, duty, action, function, effect, creation

Gerundive

Gerundive (future passive participle) of root 'kṛ' (to do).

Root: kṛ (class 8)

Note: Used with 'samam'.

हरि-ब्रह्म-हर-आदिकाः (hari-brahma-hara-ādikāḥ) - such as Hari, Brahma, Hara, and others (Hari, Brahma, Hara, and others)

(noun)

Nominative, feminine, plural of haribrahmaharādikā

haribrahmaharādikā - Hari, Brahma, Hara, etc.

Compound of 'hari' (Vishnu), 'brahman' (Brahma), 'hara' (Shiva), and 'ādi' (etc.).

Compound type : dvandva-tatpurusha (hari+brahman+hara+ādi)

• hari – Vishnu, remover (one of the names of Vishnu)
  proper noun (masculine)
• brahman – Brahma (the creator god), the Supreme Being (brahman)
  proper noun (masculine)
• hara – Shiva (the destroyer, remover)
  proper noun (masculine)
• ādi – beginning, and so on, etc.
  noun (masculine)

Note: Refers to 'kāścit' (feminine plural).