योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-6

बाह्योन्मुखत्वं प्राणानां यद्धृदम्बुजकोटरात् ।
स्वरसेनास्तयत्नानां तं धीरा रेचकं विदुः ॥ ६ ॥

bāhyonmukhatvaṃ prāṇānāṃ yaddhṛdambujakoṭarāt ,
svarasenāstayatnānāṃ taṃ dhīrā recakaṃ viduḥ 6

6. bāhyonmukhatvam prāṇānām yat hṛdambujakoṭarāt
svarasena astayatnānām tam dhīrāḥ recakam viduḥ

6. dhīrāḥ (idam) yat prāṇānām hṛdambujakoṭarāt svarasena astayatnānām bāhyonmukhatvam,
tam recakam viduḥ.

6. That outward movement of the pranas (life-breaths) from the cavity of the heart-lotus, which occurs effortlessly by their own natural force, the wise know as rechaka (exhalation).

Words meanings summery:

• बाह्योन्मुखत्वम् (bāhyonmukhatvam) - outward turning, outward flow

• प्राणानाम् (prāṇānām) - of the pranas (life-breaths)

• यत् (yat) - which, that which

• हृदम्बुजकोटरात् (hṛdambujakoṭarāt) - from the cavity of the heart-lotus

• स्वरसेन (svarasena) - by its own natural force

• अस्तयत्नानाम् (astayatnānām) - of the pranas, without effort (of those without effort)

• तम् (tam) - that

• धीराः (dhīrāḥ) - the wise, discerning ones

• रेचकम् (recakam) - exhalation

• विदुः (viduḥ) - they know

Words meanings and morphology

बाह्योन्मुखत्वम् (bāhyonmukhatvam) - outward turning, outward flow

(noun)

Nominative, neuter, singular of bāhyonmukhatva

bāhyonmukhatva - state of being outward-turned or facing outwards

Derived from 'bāhyonmukha' + suffix 'tva'.

Compound type : tatpuruṣa (bāhya+unmukha+tva)

• bāhya – external, outer
  adjective (masculine)
• unmukha – facing upwards/outwards, turned towards
  adjective (masculine)
  From `ud` + `mukha`.
  Prefix: ud
• tva – state, quality of being
  suffix (neuter)
  Abstract noun suffix.

Note: Acts as the object of 'viduḥ'.

प्राणानाम् (prāṇānām) - of the pranas (life-breaths)

(noun)

Genitive, masculine, plural of prāṇa

prāṇa - life-breath, vital air (prāṇa)

From root 'an' with prefix 'pra'.

Prefix: pra

Root: an (class 2)

Note: Possessive case for 'bāhyonmukhatvam'.

यत् (yat) - which, that which

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that

Note: Refers to 'bāhyonmukhatvam'.

हृदम्बुजकोटरात् (hṛdambujakoṭarāt) - from the cavity of the heart-lotus

(noun)

Ablative, neuter, singular of hṛdambujakoṭara

hṛdambujakoṭara - cavity of the heart-lotus

Compound type : tatpuruṣa (hṛd+ambuja+koṭara)

• hṛd – heart
  noun (neuter)
• ambuja – lotus (born from water)
  noun (neuter)
  From `ambhas` + `ja`.
• koṭara – cavity, hollow, tree-hollow
  noun (masculine)

Note: Indicating origin.

स्वरसेन (svarasena) - by its own natural force

(noun)

Instrumental, masculine, singular of svarasa

svarasa - natural juice, natural taste, inherent quality, natural force

Compound type : tatpuruṣa (sva+rasa)

• sva – own, self
  pronoun (masculine)
• rasa – juice, essence, taste, feeling, force
  noun (masculine)
  Root: ras (class 1)

Note: Explains the manner of 'bāhyonmukhatvam'.

अस्तयत्नानाम् (astayatnānām) - of the pranas, without effort (of those without effort)

(adjective)

Genitive, masculine, plural of astayatna

astayatna - without effort, effortless

Compound type : bahuvrīhi (asta+yatna)

• asta – gone, set (as sun), disappeared
  adjective (masculine)
  Past Passive Participle
  From root 'as'.
  Root: as (class 2)
• yatna – effort, exertion, endeavour
  noun (masculine)
  Root: yat (class 1)

Note: Qualifies 'prāṇānām'.

तम् (tam) - that

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Refers to 'bāhyonmukhatvam' (neuter) but here in masculine singular accusative, agreeing with 'recakam'.

धीराः (dhīrāḥ) - the wise, discerning ones

(noun)

Nominative, masculine, plural of dhīra

dhīra - wise, calm, firm, resolute

Note: Subject of 'viduḥ'.

रेचकम् (recakam) - exhalation

(noun)

Accusative, masculine, singular of recaka

recaka - exhalation, emptying, purging

Agent noun

From root 'ric' (to empty) with suffix 'aka'.

Root: ric (class 7)

Note: Object complement to 'tam'.

विदुः (viduḥ) - they know

(verb)

3rd person , plural, active, present (liṭ) of vid

Present tense, Parasmaipada

From root 'vid' (class 2), irregular form.

Root: vid (class 2)