योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-44, verse-17

आकाशभावनामच्छां शब्दबीजरसोन्मुखीम् ।
ततस्तां घनतां यातं घनस्पन्दक्रमान्मनः ॥ १७ ॥

ākāśabhāvanāmacchāṃ śabdabījarasonmukhīm ,
tatastāṃ ghanatāṃ yātaṃ ghanaspandakramānmanaḥ 17

17. ākāśa-bhāvanām acchām śabdabīja-rasa-unmukhīm
tataḥ tām ghanatām yātam ghana-spanda-kramāt manaḥ

17. tataḥ manaḥ ghana-spanda-kramāt ghanatām yātam,
tām acchām śabdabīja-rasa-unmukhīm ākāśa-bhāvanām (bhāvayati)

17. Then, the mind (manas), having attained density through a sequence of dense vibrations, [further develops] that clear conception of space (ākāśa), which is inclined towards the essence (rasa) of the seed-sound (śabdabīja).

Words meanings summery:

• आकाश-भावनाम् (ākāśa-bhāvanām) - the conception/notion of space (ākāśa)

• अच्छाम् (acchām) - clear, pure, transparent

• शब्दबीज-रस-उन्मुखीम् (śabdabīja-rasa-unmukhīm) - inclined towards the essence (rasa) of the seed of sound (śabdabīja)

• ततः (tataḥ) - then, thence, from that

• ताम् (tām) - that (feminine)

• घनताम् (ghanatām) - density, solidity

• यातम् (yātam) - having gone, having attained, having become

• घन-स्पन्द-क्रमात् (ghana-spanda-kramāt) - through a sequence of dense vibrations

• मनः (manaḥ) - mind, intellect (manas)

Words meanings and morphology

आकाश-भावनाम् (ākāśa-bhāvanām) - the conception/notion of space (ākāśa)

(noun)

Accusative, feminine, singular of ākāśa-bhāvanā

ākāśa-bhāvanā - the conception of space (ākāśa), the idea of ether

Compound type : Tatpurusha (ākāśa+bhāvanā)

• ākāśa – space, ether, sky (ākāśa)
  noun (masculine)
• bhāvanā – conception, contemplation, notion, idea
  noun (feminine)
  Derived from √bhū (causative stem `bhāvaya-`)
  Root: bhū (class 1)

अच्छाम् (acchām) - clear, pure, transparent

(adjective)

Accusative, feminine, singular of acchā

accha - clear, pure, transparent, bright

Feminine accusative singular of `accha`

Note: Agrees with `ākāśa-bhāvanām`

शब्दबीज-रस-उन्मुखीम् (śabdabīja-rasa-unmukhīm) - inclined towards the essence (rasa) of the seed of sound (śabdabīja)

(adjective)

Accusative, feminine, singular of śabdabīja-rasa-unmukhī

śabdabīja-rasa-unmukha - inclined towards the essence of the sound-seed

Compound adjective (feminine accusative singular) modifying `ākāśa-bhāvanām`

Compound type : Tatpurusha (śabdabīja-rasa+unmukha)

• śabda – sound, word
  noun (masculine)
• bīja – seed, germ, origin
  noun (neuter)
• rasa – essence, juice, taste, sentiment (rasa)
  noun (masculine)
• unmukha – facing towards, attentive to, intent on
  adjective (masculine)
  Feminine form `unmukhī`, derived from ud-√mukh
  Prefix: ud
  Root: mukh (class 1)

Note: Agrees with `ākāśa-bhāvanām`

ततः (tataḥ) - then, thence, from that

(indeclinable)

ताम् (tām) - that (feminine)

(pronoun)

Accusative, feminine, singular of tad

tad - that, it

Note: Refers to `ākāśa-bhāvanām`

घनताम् (ghanatām) - density, solidity

(noun)

Accusative, feminine, singular of ghanatā

ghanatā - density, solidity, thickness, compactness

Derived from `ghana` + `tā` (abstract suffix)

Note: Object of `yātam` ('to go to/attain density')

यातम् (yātam) - having gone, having attained, having become

(adjective)

Nominative, neuter, singular of yāta

yāta - gone, reached, attained, become

Past Passive Participle

Neuter nominative/accusative singular of PPP of √yā

Root: yā (class 2)

Note: Modifies `manaḥ`

घन-स्पन्द-क्रमात् (ghana-spanda-kramāt) - through a sequence of dense vibrations

(noun)

Ablative, masculine, singular of ghana-spanda-krama

ghana-spanda-krama - sequence of dense vibrations, succession of gross tremors

Compound noun (ablative singular)

Compound type : Tatpurusha (ghana-spanda+krama)

• ghana – dense, solid, compact, gross
  adjective (masculine)
• spanda – vibration, throb, movement
  noun (masculine)
  Root: spand (class 1)
• krama – sequence, order, succession, method
  noun (masculine)
  Root: kram (class 1)

मनः (manaḥ) - mind, intellect (manas)

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, thought, consciousness (manas)