योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-14

व्योम्नि नित्यमपानस्य तं विदुः कुम्भकं बुधाः ।
बाह्योन्मुखस्य वायोर्या नासिकाग्रावधिर्गतिः ॥ १४ ॥

vyomni nityamapānasya taṃ viduḥ kumbhakaṃ budhāḥ ,
bāhyonmukhasya vāyoryā nāsikāgrāvadhirgatiḥ 14

14. vyomni nityam apānasya tam viduḥ kumbhakam budhāḥ
bāhyonmukhasya vāyoḥ yā nāsikāgrāvadhiḥ gatiḥ

14. budhāḥ tam apānasya nityam vyomni kumbhakam viduḥ.
yā gatiḥ bāhyonmukhasya vāyoḥ nāsikāgrāvadhiḥ.
.
.

14. The wise (budhāḥ) know that constant (nityam) presence of the downward breath (apāna) in the ether (vyoman) as breath retention (kumbhaka). Furthermore, which movement (gati) of the outwardly directed breath (vāyu) has the tip of the nose (nāsāgra) as its limit...

Words meanings summery:

• व्योम्नि (vyomni) - in the sky, in space, in the ether (vyoman)

• नित्यम् (nityam) - constantly, always, perpetually

• अपानस्य (apānasya) - of the downward breath (apāna)

• तम् (tam) - that

• विदुः (viduḥ) - they know, they understand

• कुम्भकम् (kumbhakam) - breath retention (kumbhaka)

• बुधाः (budhāḥ) - the wise ones (budhāḥ), intelligent people

• बाह्योन्मुखस्य (bāhyonmukhasya) - of that which is outwardly directed/faced

• वायोः (vāyoḥ) - of the wind, of the air, of the breath (vāyu)

• या (yā) - which

• नासिकाग्रावधिः (nāsikāgrāvadhiḥ) - having the tip of the nose (nāsāgra) as its limit

• गतिः (gatiḥ) - movement, course, flow

Words meanings and morphology

व्योम्नि (vyomni) - in the sky, in space, in the ether (vyoman)

(noun)

Locative, neuter, singular of vyoman

vyoman - sky, heaven, atmosphere, air, ether, space

नित्यम् (nityam) - constantly, always, perpetually

(indeclinable)

Note: Used here as an adverb.

अपानस्य (apānasya) - of the downward breath (apāna)

(noun)

Genitive, masculine, singular of apāna

apāna - downward-moving breath, one of the five vital airs (prāṇa); excrement

Prefix: apa

Root: an (class 2)

तम् (tam) - that

(pronoun)

Accusative, masculine, singular of tad

tad - that, it

विदुः (viduḥ) - they know, they understand

(verb)

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

Root: vid (class 2)

कुम्भकम् (kumbhakam) - breath retention (kumbhaka)

(noun)

Accusative, masculine, singular of kumbhaka

kumbhaka - a small pot or jar; breath retention in yoga (prāṇāyāma)

Derived from 'kumbha' (jar), indicating holding breath 'like a jar'.

बुधाः (budhāḥ) - the wise ones (budhāḥ), intelligent people

(noun)

Nominative, masculine, plural of budha

budha - wise, intelligent, learned; a wise man, sage

Root: budh (class 1)

बाह्योन्मुखस्य (bāhyonmukhasya) - of that which is outwardly directed/faced

(adjective)

Genitive, masculine, singular of bāhyonmukha

bāhyonmukha - outward-facing, external-bound

Compound type : tatpuruṣa (bāhya+unmukha)

• bāhya – external, outer, outward
  adjective (masculine)
  Gerundive
  Derived from 'bahis' (outside) with suffix '-ya'.
• unmukha – facing, turned towards, directed to; eager for
  adjective (masculine)
  Prefix: ud

वायोः (vāyoḥ) - of the wind, of the air, of the breath (vāyu)

(noun)

Genitive, masculine, singular of vāyu

vāyu - wind, air, breath; Vāyu (wind god); vital air in the body

Root: vā (class 2)

या (yā) - which

(pronoun)

Nominative, feminine, singular of yad

yad - which, what, who

नासिकाग्रावधिः (nāsikāgrāvadhiḥ) - having the tip of the nose (nāsāgra) as its limit

(adjective)

Nominative, feminine, singular of nāsikāgrāvadhi

nāsikāgrāvadhi - having the nose-tip as boundary

Compound type : tatpuruṣa (nāsikā+agra+avadhi)

• nāsikā – nose
  noun (feminine)
• agra – tip, point, front part
  noun (neuter)
• avadhi – limit, boundary, term; up to
  noun (masculine)

गतिः (gatiḥ) - movement, course, flow

(noun)

Nominative, feminine, singular of gati

gati - going, moving, motion, course, passage; fate, condition, path

Derived from root 'gam' (to go)

Root: gam (class 1)