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

तद्गतस्याप्यतद्वृत्तेरम्बरस्येव वायुतः ।
जरा मरणमापच्च सुखदुःखे भवाभवौ ॥ १५ ॥

tadgatasyāpyatadvṛtterambarasyeva vāyutaḥ ,
jarā maraṇamāpacca sukhaduḥkhe bhavābhavau 15

15. tadgatasya api atadvṛtteḥ ambarasya iva vāyutaḥ
jarā maraṇam āpat ca sukhaduḥkhe bhavābhavau

15. yathā vāyutaḥ ambarasya iva tadgatasya api atadvṛtteḥ
jarā maraṇam āpat ca sukhaduḥkhe bhavābhavau

15. Old age, death, calamity, pleasure and pain, and the cycles of existence and non-existence do not apply to the self (ātman), which, even though associated with phenomena, does not partake of their nature, just as the sky (ambara), though containing the wind, remains distinct from the wind's qualities.

Words meanings summery:

• तद्गतस्य (tadgatasya) - of the self (ātman) associated with the body or phenomena (of that which has gone into that, of that which is contained in that)

• अपि (api) - even, also, although

• अतद्वृत्तेः (atadvṛtteḥ) - of the self (ātman) that does not partake of the nature of the associated body/phenomena (of that which does not have its nature, of that which does not partake of its activity)

• अम्बरस्य (ambarasya) - of the sky, of the atmosphere

• इव (iva) - like, as, as if

• वायुतः (vāyutaḥ) - from the wind, by means of the wind

• जरा (jarā) - old age, decay

• मरणम् (maraṇam) - death

• आपत् (āpat) - calamity, misfortune, distress

• च (ca) - and

• सुखदुःखे (sukhaduḥkhe) - pleasure and pain, happiness and sorrow

• भवाभवौ (bhavābhavau) - existence and non-existence, coming into being and ceasing to be

Words meanings and morphology

तद्गतस्य (tadgatasya) - of the self (ātman) associated with the body or phenomena (of that which has gone into that, of that which is contained in that)

(adjective)

Genitive, neuter, singular of tadgata

tadgata - gone into that, related to that, absorbed in that

Compound type : tatpurusha (tad+gata)

• tad – that
  pronoun (neuter)
• gata – gone, arrived, passed, obtained
  adjective (masculine)
  Past Passive Participle
  Derived from root gam (to go)
  Root: gam (class 1)

Note: Agreeing with an implied 'ātmanaḥ' or generic 'dharma'.

अपि (api) - even, also, although

(indeclinable)

अतद्वृत्तेः (atadvṛtteḥ) - of the self (ātman) that does not partake of the nature of the associated body/phenomena (of that which does not have its nature, of that which does not partake of its activity)

(adjective)

Genitive, neuter, singular of atadvṛtti

atadvṛtti - not having that nature, not having that activity

Compound type : bahuvrihi (a+tad+vṛtti)

• a – not, non-
  indeclinable
  Negative prefix
• tad – that
  pronoun (neuter)
• vṛtti – nature, activity, state, function, mode of being
  noun (feminine)
  Derived from root vṛt (to be, to exist)
  Root: vṛt (class 1)

Note: Agreeing with an implied 'ātmanaḥ' or generic 'dharma'.

अम्बरस्य (ambarasya) - of the sky, of the atmosphere

(noun)

Genitive, neuter, singular of ambara

ambara - sky, atmosphere, firmament; cloth, garment

इव (iva) - like, as, as if

(indeclinable)

वायुतः (vāyutaḥ) - from the wind, by means of the wind

(noun)

Ablative, masculine, singular of vāyu

vāyu - wind, air, vital breath, atmosphere

Ablative sense derived from suffix -tas

जरा (jarā) - old age, decay

(noun)

Nominative, feminine, singular of jarā

jarā - old age, decrepitude, decay

मरणम् (maraṇam) - death

(noun)

Nominative, neuter, singular of maraṇa

maraṇa - dying, death

Root: mṛ (class 1)

आपत् (āpat) - calamity, misfortune, distress

(noun)

Nominative, feminine, singular of āpad

āpad - calamity, misfortune, distress, adversity

च (ca) - and

(indeclinable)

सुखदुःखे (sukhaduḥkhe) - pleasure and pain, happiness and sorrow

(noun)

Nominative, neuter, dual of sukhaduḥkha

sukhaduḥkha - happiness and sorrow, pleasure and pain (dual compound)

Compound type : dvandva (sukha+duḥkha)

• sukha – happiness, pleasure, ease
  noun (neuter)
• duḥkha – suffering, pain, sorrow
  noun (neuter)

भवाभवौ (bhavābhavau) - existence and non-existence, coming into being and ceasing to be

(noun)

Nominative, masculine, dual of bhavābhava

bhavābhava - existence and non-existence

Compound type : dvandva (bhava+abhava)

• bhava – being, existence, becoming, birth
  noun (masculine)
  Derived from root bhū (to be)
  Root: bhū (class 1)
• abhava – non-existence, non-being, absence of birth
  noun (masculine)
  Derived from bhava with negative prefix a-
  Prefix: a