योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-69, verse-17

खादप्यतितरामच्छमात्माकाशं चिदात्मकम् ।
तत्ताप्राप्तिः परं श्रेयः सा कथं प्राप्यते श्रृणु ॥ १७ ॥

khādapyatitarāmacchamātmākāśaṃ cidātmakam ,
tattāprāptiḥ paraṃ śreyaḥ sā kathaṃ prāpyate śrṛṇu 17

17. khāt api atitarām accham ātmākāśam cidātmakam
tat-tāprāptiḥ param śreyaḥ sā katham prāpyate śṛṇu

17. ātmākāśam cidātmakam khāt api atitarām accham
tat-tāprāptiḥ param śreyaḥ sā katham prāpyate śṛṇu

17. The Self (ātman), which is by nature consciousness, is like space and is exceedingly pure, even purer than (physical) space itself. The attainment of that state is the supreme good. Listen, how that is attained.

Words meanings summery:

• खात् (khāt) - from space, than space

• अपि (api) - even, also, too

• अतितराम् (atitarām) - exceedingly, very much

• अच्छम् (accham) - clear, pure, transparent

• आत्माकाशम् (ātmākāśam) - the space of the Self (ātman), the Self (ātman) as space

• चिदात्मकम् (cidātmakam) - whose nature is consciousness, conscious in nature

• तत्-ताप्राप्तिः (tat-tāprāptiḥ) - the attainment of that state/being, achieving thatness

• परम् (param) - supreme, highest, ultimate

• श्रेयः (śreyaḥ) - good, blessing, welfare, ultimate good

• सा (sā) - she, that (feminine)

• कथम् (katham) - how, in what manner

• प्राप्यते (prāpyate) - is attained, is reached

• शृणु (śṛṇu) - listen!, hear!

Words meanings and morphology

खात् (khāt) - from space, than space

(noun)

Ablative, neuter, singular of kha

kha - space, ether, sky, air, zero

अपि (api) - even, also, too

(indeclinable)

अतितराम् (atitarām) - exceedingly, very much

(indeclinable)

अच्छम् (accham) - clear, pure, transparent

(adjective)

Nominative, neuter, singular of accha

accha - clear, pure, transparent, lucid

आत्माकाशम् (ātmākāśam) - the space of the Self (ātman), the Self (ātman) as space

(noun)

Nominative, neuter, singular of ātmākāśa

ātmākāśa - the space of the Self, the Self as space

Compound type : tatpuruṣa (ātman+ākāśa)

• ātman – Self, soul, essence, breath
  noun (masculine)
• ākāśa – space, ether, sky
  noun (masculine)

चिदात्मकम् (cidātmakam) - whose nature is consciousness, conscious in nature

(adjective)

Nominative, neuter, singular of cidātmaka

cidātmaka - whose nature is consciousness, self-conscious, conscious-natured

Compound type : bahuvrīhi (cit+ātmaka)

• cit – consciousness, thought, pure intelligence
  noun (feminine)
• ātmaka – whose nature is, consisting of, having the nature of
  adjective (masculine)

तत्-ताप्राप्तिः (tat-tāprāptiḥ) - the attainment of that state/being, achieving thatness

(noun)

Nominative, feminine, singular of tat-tāprāpti

tat-tāprāpti - the attainment of that state, the state of being that, thatness-attainment

Compound type : tatpuruṣa (tat-tā+prāpti)

• tat-tā – thatness, the state of being that
  noun (feminine)
• prāpti – attainment, acquisition, obtainment
  noun (feminine)

परम् (param) - supreme, highest, ultimate

(adjective)

Nominative, neuter, singular of para

para - supreme, highest, ultimate, excellent, other

श्रेयः (śreyaḥ) - good, blessing, welfare, ultimate good

(noun)

Nominative, neuter, singular of śreyas

śreyas - good, blessing, welfare, ultimate good, salvation

सा (sā) - she, that (feminine)

(pronoun)

Nominative, feminine, singular of tad

tad - that, he, she, it

कथम् (katham) - how, in what manner

(indeclinable)

प्राप्यते (prāpyate) - is attained, is reached

(verb)

3rd person , singular, passive, present (lat) of prāp

Present Passive

Prefix: pra

Root: āp (class 5)

शृणु (śṛṇu) - listen!, hear!

(verb)

2nd person , singular, active, imperative (lot) of śru

Imperative

Root: śru (class 5)