योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-174, verse-16

सम्यग्बोधैकघनता यासौ ध्यानमिति स्मृतम् ।
दृश्यात्यन्तासंभवात्म बोधमाहुः परं पदम् ॥ १६ ॥

samyagbodhaikaghanatā yāsau dhyānamiti smṛtam ,
dṛśyātyantāsaṃbhavātma bodhamāhuḥ paraṃ padam 16

16. samyak bodhaikaghanatā yā asau dhyānam iti smṛtam
dṛśyātyantāsaṃbhavātma bodham āhuḥ param padam

16. yā asau samyak bodhaikaghanatā,
(sā) dhyānam iti smṛtam.
dṛśyātyantāsaṃbhavātma bodham param padam āhuḥ

16. That singular, dense essence of perfect awareness (bodha) is remembered as meditation (dhyāna). They call the awareness (bodha), whose intrinsic nature (ātman) is the absolute impossibility of the perceptible world (dṛśya), the supreme state.

Words meanings summery:

• सम्यक् (samyak) - perfectly, completely, correctly

• बोधैकघनता (bodhaikaghanatā) - the state of being a singular, dense essence of awareness

• या (yā) - which

• असौ (asau) - that, she

• ध्यानम् (dhyānam) - meditation (dhyāna), contemplation

• इति (iti) - thus, so, indeed, (quotative particle)

• स्मृतम् (smṛtam) - is remembered, is traditionally taught, is considered

• दृश्यात्यन्तासंभवात्म (dṛśyātyantāsaṁbhavātma) - whose nature (ātman) is the absolute impossibility of the seen/perceptible

• बोधम् (bodham) - knowledge, awareness, consciousness

• आहुः (āhuḥ) - they say, they declare, they call

• परम् (param) - supreme, highest, ultimate

• पदम् (padam) - state, abode, goal, word

Words meanings and morphology

सम्यक् (samyak) - perfectly, completely, correctly

(indeclinable)

बोधैकघनता (bodhaikaghanatā) - the state of being a singular, dense essence of awareness

(noun)

Nominative, feminine, singular of bodhaikaghanatā

bodhaikaghanatā - state of being solely concentrated knowledge/awareness

Compound type : tatpuruṣa (bodha+eka+ghanatā)

• bodha – knowledge, awareness, awakening
  noun (masculine)
  From root budh (to know, awaken)
  Root: budh (class 1)
• eka – one, single, sole
  adjective
  Numeral/adjective
• ghanatā – density, solidity, compactness, essence
  noun (feminine)
  From 'ghana' (dense) + suffix 'tā'

Note: Subject of the first sentence.

या (yā) - which

(pronoun)

Nominative, feminine, singular of yad

yad - which

Relative pronoun

असौ (asau) - that, she

(pronoun)

Nominative, feminine, singular of adas

adas - that (remote)

Demonstrative pronoun

Note: yā asau together mean 'that which'.

ध्यानम् (dhyānam) - meditation (dhyāna), contemplation

(noun)

Nominative, neuter, singular of dhyāna

dhyāna - meditation, contemplation

Derived from root dhyai (to meditate)

Root: dhyai (class 1)

Note: Predicate nominative for 'bodhaikaghanatā'.

इति (iti) - thus, so, indeed, (quotative particle)

(indeclinable)

Quotative particle or indicator of conclusion

स्मृतम् (smṛtam) - is remembered, is traditionally taught, is considered

(adjective)

Nominative, neuter, singular of smṛta

smṛta - remembered, recollected, traditional

Past Passive Participle

From root smṛ (to remember)

Root: smṛ (class 1)

Note: Agrees with 'bodhaikaghanatā'.

दृश्यात्यन्तासंभवात्म (dṛśyātyantāsaṁbhavātma) - whose nature (ātman) is the absolute impossibility of the seen/perceptible

(adjective)

Nominative, masculine, singular of dṛśyātyantāsaṃbhavātman

dṛśyātyantāsaṁbhavātman - whose nature is the absolute impossibility of the seen (perceptible)

Compound adjective describing 'bodham'

Compound type : bahuvrīhi (dṛśya+atyanta+asaṃbhava+ātman)

• dṛśya – visible, perceptible, the seen world
  adjective (neuter)
  Gerundive
  From root dṛś (to see)
  Root: dṛś (class 1)
• atyanta – absolute, extreme, complete
  adjective (masculine)
  Prefix: ati
  Root: anta
• asaṃbhava – impossibility, non-existence
  noun (masculine)
  Negation of saṃbhava (possibility, existence)
  Prefixes: a+sam
  Root: bhū (class 1)
• ātman – self, soul, nature, essence
  noun (masculine)
  Root: an (class 2)

Note: 'ātma' here is the stem form of 'ātman' used in compounds. The whole compound qualifies 'bodham'.

बोधम् (bodham) - knowledge, awareness, consciousness

(noun)

Accusative, masculine, singular of bodha

bodha - knowledge, awareness

From root budh (to know, awaken)

Root: budh (class 1)

आहुः (āhuḥ) - they say, they declare, they call

(verb)

3rd person , plural, active, perfect (lit) of ah

Perfect active

Irregular perfect form

Root: ah (class 2)

Note: Refers to authorities or sages.

परम् (param) - supreme, highest, ultimate

(adjective)

Accusative, neuter, singular of para

para - other, supreme, highest

Note: Qualifies 'padam'.

पदम् (padam) - state, abode, goal, word

(noun)

Accusative, neuter, singular of pada

pada - foot, step, place, state, goal, word

From root pad (to go)

Root: pad (class 4)

Note: Accusative because it's the direct object of 'they call' along with 'bodham'.