योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-78, verse-42

भ्रूनासातालुसंस्थासु द्वादशाङ्गुलिकोटिषु ।
अभ्यासाच्छाम्यति प्राणो दूरे गिरिनदी यथा ॥ ४२ ॥

bhrūnāsātālusaṃsthāsu dvādaśāṅgulikoṭiṣu ,
abhyāsācchāmyati prāṇo dūre girinadī yathā 42

42. bhrūnāsātālusaṃsthāsu dvādaśāṅgulikoṭiṣu
abhyāsāt śāmyati prāṇaḥ dūre girinadī yathā

42. abhyāsāt prāṇaḥ bhrūnāsātālusaṃsthāsu
dvādaśāṅgulikoṭiṣu śāmyati dūre girinadī yathā

42. By practice (abhyāsa), the vital breath (prāṇa) calms down in the points measuring twelve finger-widths located at the eyebrows, nose, and palate, just as a mountain river (girinadī) becomes calm at a distance.

Words meanings summery:

• भ्रूनासातालुसंस्थासु (bhrūnāsātālusaṁsthāsu) - in those situated at the eyebrows, nose, and palate

• द्वादशाङ्गुलिकोटिषु (dvādaśāṅgulikoṭiṣu) - in the extremities (points) of twelve finger-widths

• अभ्यासात् (abhyāsāt) - from practice, through practice

• शाम्यति (śāmyati) - calms down, becomes quiet, ceases

• प्राणः (prāṇaḥ) - the vital breath (prāṇa)

• दूरे (dūre) - far away, at a distance

• गिरिनदी (girinadī) - a mountain river

• यथा (yathā) - as, just as, according to

Words meanings and morphology

भ्रूनासातालुसंस्थासु (bhrūnāsātālusaṁsthāsu) - in those situated at the eyebrows, nose, and palate

(adjective)

Locative, feminine, plural of bhrūnāsātālusaṃsthā

bhrūnāsātālusaṁsthā - situated at the eyebrows, nose, and palate

Compound adjective referring to locations.

Compound type : tatpuruṣa (bhrū+nāsa+tālu+saṃsthā)

• bhrū – eyebrow
  noun (feminine)
• nāsa – nose
  noun (masculine)
• tālu – palate
  noun (neuter)
• saṃsthā – situated, located, abiding
  adjective (feminine)
  Noun derivative (feminine form)
  Derived from the root sthā ('to stand') with prefix sam.
  Prefix: sam
  Root: sthā (class 1)

द्वादशाङ्गुलिकोटिषु (dvādaśāṅgulikoṭiṣu) - in the extremities (points) of twelve finger-widths

(noun)

Locative, feminine, plural of dvādaśāṅgulikoṭi

dvādaśāṅgulikoṭi - point of twelve finger-widths

Compound type : tatpuruṣa (dvādaśa+aṅguli+koṭi)

• dvādaśa – twelve
  numeral
• aṅguli – finger, finger-width (as a measure)
  noun (feminine)
• koṭi – tip, point, extremity, end
  noun (feminine)

अभ्यासात् (abhyāsāt) - from practice, through practice

(noun)

Ablative, masculine, singular of abhyāsa

abhyāsa - practice, repetition, diligent application (abhyāsa)

Prefixes: abhi+as

Root: as (class 4)

शाम्यति (śāmyati) - calms down, becomes quiet, ceases

(verb)

3rd person , singular, active, present (laṭ) of śam

Root: śam (class 4)

प्राणः (prāṇaḥ) - the vital breath (prāṇa)

(noun)

Nominative, masculine, singular of prāṇa

prāṇa - vital breath, life force, breath (prāṇa)

Prefix: pra

Root: an (class 2)

दूरे (dūre) - far away, at a distance

(indeclinable)

Note: Used adverbially.

गिरिनदी (girinadī) - a mountain river

(noun)

Nominative, feminine, singular of girinadī

girinadī - mountain river

Compound type : tatpuruṣa (giri+nadī)

• giri – mountain, hill
  noun (masculine)
• nadī – river
  noun (feminine)

यथा (yathā) - as, just as, according to

(indeclinable)