योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-92, verse-24

शरीरावेष्टितोन्मुक्तपुराणतृणचोपनः ।
स्पन्दपद्मवनादित्यः शब्दवर्षैकवारिदः ॥ २४ ॥

śarīrāveṣṭitonmuktapurāṇatṛṇacopanaḥ ,
spandapadmavanādityaḥ śabdavarṣaikavāridaḥ 24

24. śarīrāveṣṭitonmuktapūrāṇatṛṇacopanaḥ
spandapadmavanādityaḥ śabdavarṣaikavāridaḥ

24. śarīrāveṣṭitonmuktapūrāṇatṛṇacopanaḥ
spandapadmavanādityaḥ śabdavarṣaikavāridaḥ

24. He is the one who discards old bodies (śarīra) like ancient grass (tṛṇa) that has encircled them. He is the sun to the lotus forest of vibration (spanda), and the sole cloud for the rain of sound (śabda).

Words meanings summery:

• शरीरावेष्टितोन्मुक्तपूराणतृणचोपनः (śarīrāveṣṭitonmuktapūrāṇatṛṇacopanaḥ) - he by whom the old grass (bodies) that covered the body are discarded/destroyed

• स्पन्दपद्मवनादित्यः (spandapadmavanādityaḥ) - the sun to the lotus forest of vibration

• शब्दवर्षैकवारिदः (śabdavarṣaikavāridaḥ) - the sole cloud for the rain of sound

Words meanings and morphology

शरीरावेष्टितोन्मुक्तपूराणतृणचोपनः (śarīrāveṣṭitonmuktapūrāṇatṛṇacopanaḥ) - he by whom the old grass (bodies) that covered the body are discarded/destroyed

(adjective)

Nominative, masculine, singular of śarīrāveṣṭitonmuktapūrāṇatṛṇacopana

śarīrāveṣṭitonmuktapūrāṇatṛṇacopana - he who discards/destroys old bodies (likened to old grass that has been wrapped around the body)

Bahuvrīhi compound, literally 'body-covered-released-old-grass-destroyer-he'

Compound type : Bahuvrīhi (śarīra+āveṣṭita+unmukta+purāṇa+tṛṇa+copana)

• śarīra – body
  noun (neuter)
• āveṣṭita – covered, surrounded, enveloped
  participle
  Past Passive Participle
  from root veṣṭ with prefix ā
  Prefix: ā
  Root: veṣṭ (class 1)
• unmukta – released, discarded, set free
  participle
  Past Passive Participle
  from root muc with prefix ud (becomes un before m)
  Prefix: ud
  Root: muc (class 6)
• purāṇa – old, ancient, traditional
  adjective
• tṛṇa – grass, straw
  noun (neuter)
• copana – a chewer, a destroyer (figuratively from cutting/chewing)
  noun (masculine)
  agent noun from verbal root cop (to cut, destroy)
  Root: cop (class 10)

स्पन्दपद्मवनादित्यः (spandapadmavanādityaḥ) - the sun to the lotus forest of vibration

(noun)

Nominative, masculine, singular of spandapadmavanāditya

spandapadmavanāditya - the sun to the lotus forest of vibration

Tatpurusha compound

Compound type : Tatpurusha (spanda+padmavana+āditya)

• spanda – vibration, pulsation, throbbing
  noun (masculine)
  from root spad
  Root: spad (class 1)
• padmavana – lotus forest/grove
  noun (neuter)
  Tatpurusha compound
• āditya – the sun, a deity (son of Aditi)
  noun (masculine)

शब्दवर्षैकवारिदः (śabdavarṣaikavāridaḥ) - the sole cloud for the rain of sound

(noun)

Nominative, masculine, singular of śabdavarṣaikavārida

śabdavarṣaikavārida - the sole cloud for the rain of sound

Tatpurusha compound

Compound type : Tatpurusha (śabda+varṣa+eka+vāri-da)

• śabda – sound, word, voice
  noun (masculine)
• varṣa – rain, shower
  noun (neuter)
  from root vṛṣ
  Root: vṛṣ (class 1)
• eka – one, single, sole
  adjective
• vāri-da – cloud (lit. water-giver)
  noun (masculine)
  Upapada Tatpurusha
  Root: dā (class 3)