योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-25, verse-49

आतपे परितो नष्टे छायेवानुपदं तथा ।
प्राणजन्मावनौ नष्टमपानं विद्धि सन्मते ॥ ४९ ॥

ātape parito naṣṭe chāyevānupadaṃ tathā ,
prāṇajanmāvanau naṣṭamapānaṃ viddhi sanmate 49

49. ātāpe paritaḥ naṣṭe chāyā iva anupadam tathā
prāṇajanmāvanau naṣṭam apānam viddhi sanmate

49. sanmate,
yathā ātāpe paritaḥ naṣṭe chāyā iva anupadam tathā (naśyati),
(tathā) prāṇajanmāvanau apānam naṣṭam viddhi.

49. O wise one (sanmate), just as a shadow likewise vanishes immediately when the sunlight (ātapa) has completely disappeared, know that the inward breath (apāna) is destroyed in the birthplace of the outward breath (prāṇa).

Words meanings summery:

• आतापे (ātāpe) - in the sunshine, in the heat, when the sunshine

• परितः (paritaḥ) - completely, entirely, all around, on every side

• नष्टे (naṣṭe) - vanished, destroyed, lost, disappeared

• छाया (chāyā) - shadow, shade, reflection

• इव (iva) - like, as, as if

• अनुपदम् (anupadam) - immediately following, in sequence, forthwith

• तथा (tathā) - thus, so, similarly

• प्राणजन्मावनौ (prāṇajanmāvanau) - in the birthplace/realm of the outward breath (prāṇa)

• नष्टम् (naṣṭam) - destroyed, vanished, lost, disappeared

• अपानम् (apānam) - the inward breath (apāna), the downward vital air

• विद्धि (viddhi) - know, understand, perceive

• सन्मते (sanmate) - O wise one, O one of good understanding

Words meanings and morphology

आतापे (ātāpe) - in the sunshine, in the heat, when the sunshine

(noun)

Locative, masculine, singular of ātāpa

ātāpa - sunshine, heat, sun's rays

From 'ā-tap' (to heat up)

Prefix: ā

Root: tap (class 1)

परितः (paritaḥ) - completely, entirely, all around, on every side

(indeclinable)

नष्टे (naṣṭe) - vanished, destroyed, lost, disappeared

(adjective)

Locative, masculine, singular of naṣṭa

naṣṭa - lost, destroyed, vanished, disappeared

Past Passive Participle

From root 'naś' (to perish, disappear)

Root: naś (class 4)

छाया (chāyā) - shadow, shade, reflection

(noun)

Nominative, feminine, singular of chāyā

chāyā - shadow, shade, reflection

इव (iva) - like, as, as if

(indeclinable)

अनुपदम् (anupadam) - immediately following, in sequence, forthwith

(indeclinable)

Adverbially used, formed from 'anu' (after) and 'pada' (step, foot)

Compound type : avyayībhāva (anu+pada)

• anu – after, along, according to
  indeclinable
• pada – foot, step, word
  noun (neuter)
  Root: pad (class 4)

तथा (tathā) - thus, so, similarly

(indeclinable)

प्राणजन्मावनौ (prāṇajanmāvanau) - in the birthplace/realm of the outward breath (prāṇa)

(noun)

Locative, feminine, singular of prāṇajanmāvanī

prāṇajanmāvanī - birthplace/realm of prāṇa

Compound type : tatpuruṣa (prāṇa+janman+avanī)

• prāṇa – breath, life-force, vital air, esp. the outgoing breath
  noun (masculine)
  From 'pra-an' (to breathe forth)
  Prefix: pra
  Root: an (class 2)
• janman – birth, origin, production
  noun (neuter)
  Root: jan (class 4)
• avanī – earth, ground, land, place
  noun (feminine)
  Root: av (class 1)

नष्टम् (naṣṭam) - destroyed, vanished, lost, disappeared

(adjective)

Accusative, masculine, singular of naṣṭa

naṣṭa - lost, destroyed, vanished, disappeared

Past Passive Participle

From root 'naś' (to perish, disappear)

Root: naś (class 4)

अपानम् (apānam) - the inward breath (apāna), the downward vital air

(noun)

Accusative, masculine, singular of apāna

apāna - down-going breath, vital air, esp. the inward breath

From 'apa-an' (to breathe down)

Prefix: apa

Root: an (class 2)

विद्धि (viddhi) - know, understand, perceive

(verb)

2nd person , singular, active, imperative (loṭ) of vid

Imperative, 2nd person singular

Derived from root 'vid' (to know), athematic conjugation (adādi-gaṇa, class 2)

Root: vid (class 2)

सन्मते (sanmate) - O wise one, O one of good understanding

(noun)

Vocative, feminine, singular of sanmati

sanmati - good understanding, wisdom, right opinion

Formed from 'sat' (good, true) and 'mati' (mind, thought, wisdom)

Compound type : karmadhāraya (sat+mati)

• sat – good, true, real, existent
  adjective
  Present Active Participle
  From root 'as' (to be)
  Root: as (class 2)
• mati – mind, thought, intention, wisdom
  noun (feminine)
  From root 'man' (to think)
  Root: man (class 4)