योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-15

तं बाह्यपूरकं त्वाद्यं विदुर्योगविदो जनाः ।
नासाग्रादपि निर्गत्य द्वादशान्तावधिर्गतिः ॥ १५ ॥

taṃ bāhyapūrakaṃ tvādyaṃ viduryogavido janāḥ ,
nāsāgrādapi nirgatya dvādaśāntāvadhirgatiḥ 15

15. tam bāhyapūrakam tu ādyam viduḥ yogavidaḥ janāḥ
nāsāgrāt api nirgatya dvādaśāntāvadhiḥ gatiḥ

15. yogavidaḥ janāḥ tu tam ādyam bāhyapūrakam viduḥ,
yā gatiḥ nāsāgrāt api nirgatya dvādaśāntāvadhiḥ (asti).

15. People who know (yoga) know that very first external inhalation (pūraka) as the movement (gati) which, even from the tip of the nose (nāsāgra), goes out up to the limit of twelve finger-breadths.

Words meanings summery:

• तम् (tam) - that

• बाह्यपूरकम् (bāhyapūrakam) - external inhalation (pūraka)

• तु (tu) - but, indeed, moreover

• आद्यम् (ādyam) - first, original, primary

• विदुः (viduḥ) - they know, they understand

• योगविदः (yogavidaḥ) - those who know (yoga)

• जनाः (janāḥ) - people, persons

• नासाग्रात् (nāsāgrāt) - from the tip of the nose (nāsāgra)

• अपि (api) - even, also, too

• निर्गत्य (nirgatya) - having gone out, having emanated, having proceeded

• द्वादशान्तावधिः (dvādaśāntāvadhiḥ) - having the limit of twelve (finger-breadths)

• गतिः (gatiḥ) - movement, course, flow

Words meanings and morphology

तम् (tam) - that

(pronoun)

Accusative, masculine, singular of tad

tad - that, it

बाह्यपूरकम् (bāhyapūrakam) - external inhalation (pūraka)

(noun)

Accusative, masculine, singular of bāhyapūraka

bāhyapūraka - external inhalation

Compound type : tatpuruṣa (bāhya+pūraka)

• bāhya – external, outer, outward
  adjective (masculine)
  Gerundive
  Derived from 'bahis' (outside) with suffix '-ya'.
• pūraka – filling, fulfilling; inhalation (in prāṇāyāma)
  noun (masculine)
  Agent noun / Noun of action
  Derived from root 'pṛ' (to fill)
  Root: pṛ (class 3)

तु (tu) - but, indeed, moreover

(indeclinable)

आद्यम् (ādyam) - first, original, primary

(adjective)

Accusative, masculine, singular of ādya

ādya - first, initial, original, primary; chief, excellent

Derived from 'ādi' (beginning).

विदुः (viduḥ) - they know, they understand

(verb)

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

Root: vid (class 2)

योगविदः (yogavidaḥ) - those who know (yoga)

(noun)

Nominative, masculine, plural of yogavid

yogavid - one who knows yoga

Compound type : tatpuruṣa (yoga+vid)

• yoga – union, connection; discipline, practice, especially spiritual (yoga)
  noun (masculine)
  Derived from root 'yuj' (to join, to concentrate)
  Root: yuj (class 7)
• vid – knowing, conversant with, skilled in
  adjective (masculine)
  Agent suffix -vid
  From root 'vid' (to know).
  Root: vid (class 2)

जनाः (janāḥ) - people, persons

(noun)

Nominative, masculine, plural of jana

jana - man, person, creature, people, folk

नासाग्रात् (nāsāgrāt) - from the tip of the nose (nāsāgra)

(noun)

Ablative, neuter, singular of nāsāgra

nāsāgra - tip of the nose

Compound type : tatpuruṣa (nāsā+agra)

• nāsā – nose
  noun (feminine)
• agra – tip, point, front part, extremity
  noun (neuter)

अपि (api) - even, also, too

(indeclinable)

निर्गत्य (nirgatya) - having gone out, having emanated, having proceeded

(indeclinable)

Gerund (Absolutive)

Indeclinable participle formed from root 'gam' (to go) with prefix 'nis'.

Prefix: nis

Root: gam (class 1)

द्वादशान्तावधिः (dvādaśāntāvadhiḥ) - having the limit of twelve (finger-breadths)

(adjective)

Nominative, feminine, singular of dvādaśāntāvadhi

dvādaśāntāvadhi - having the limit of twelve (units, e.g., fingers)

Compound type : tatpuruṣa (dvādaśan+anta+avadhi)

• dvādaśan – twelve
  numeral
• anta – end, limit, boundary
  noun (masculine)
• 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)