योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-39, verse-24

प्रसृतान्त्रमहातन्त्रीप्रायसंपन्नवादनम् ।
पिशाचवासनोत्क्रान्तपिशाचीभूतमानवम् ॥ २४ ॥

prasṛtāntramahātantrīprāyasaṃpannavādanam ,
piśācavāsanotkrāntapiśācībhūtamānavam 24

24. prasṛtāntramahātantrīprāyasaṃpannavādanam
piśācavāsanotkrāntapiśācībhūtamānavam

24. prasṛtāntramahātantrīprāyasaṃpannavādanam
piśācavāsanotkrāntapiśācībhūtamānavam

24. Where music, produced like the sound of great stringed instruments (tantrīs) fashioned from stretched-out intestines, was performed; and where human beings, overwhelmed by ghoul-like impulses, had themselves become female ghouls (piśācīs).

Words meanings summery:

• प्रसृतान्त्रमहातन्त्रीप्रायसंपन्नवादनम् (prasṛtāntramahātantrīprāyasaṁpannavādanam) - Describing the gruesome musical accompaniment in a terrifying scene. (Sound/music resembling the playing of great lutes made from stretched intestines.)

• पिशाचवासनोत्क्रान्तपिशाचीभूतमानवम् (piśācavāsanotkrāntapiśācībhūtamānavam) - Describing the transformation of humans in the ghastly scene. (Human beings who had become ghoulish (piśācīs), having transcended their human state due to ghoul-like desires.)

Words meanings and morphology

प्रसृतान्त्रमहातन्त्रीप्रायसंपन्नवादनम् (prasṛtāntramahātantrīprāyasaṁpannavādanam) - Describing the gruesome musical accompaniment in a terrifying scene. (Sound/music resembling the playing of great lutes made from stretched intestines.)

(noun)

Accusative, neuter, singular of prasṛtāntramahātantrīprāyasaṃpannavādana

prasṛtāntramahātantrīprāyasaṁpannavādana - Sound/music resembling the playing of great lutes made from stretched intestines.

Compound type : Bahuvrīhi (prasṛta+antra+mahātantrī+prāya+saṃpanna+vādana)

• prasṛta – stretched, spread out, extended
  participle (neuter)
  Past Passive Participle
  From root sṛ (to flow/move) with prefix pra-.
  Prefix: pra
  Root: sṛ (class 1)
• antra – intestine, gut
  noun (neuter)
• mahātantrī – great lute, large stringed instrument
  noun (feminine)
• prāya – resemblance, similarity, mostly, like
  indeclinable
  Used here to indicate 'like' or 'similar to'.
• saṃpanna – accomplished, achieved, provided with
  participle (neuter)
  Past Passive Participle
  From root pad (to go/fall) with prefix sam-.
  Prefix: sam
  Root: pad (class 4)
• vādana – playing (an instrument), sounding, music
  noun (neuter)
  Derived from root vad (to speak, to sound).
  Root: vad (class 1)

Note: This compound acts as a noun in the accusative case, likely describing an aspect of the terrifying scene.

पिशाचवासनोत्क्रान्तपिशाचीभूतमानवम् (piśācavāsanotkrāntapiśācībhūtamānavam) - Describing the transformation of humans in the ghastly scene. (Human beings who had become ghoulish (piśācīs), having transcended their human state due to ghoul-like desires.)

(noun)

Accusative, masculine, singular of piśācavāsanotkrāntapiśācībhūtamānava

piśācavāsanotkrāntapiśācībhūtamānava - Humans who have become ghoulish (piśācīs), having transcended their human state due to ghoul-like desires.

Compound type : Bahuvrīhi (piśāca+vāsanā+utkrānta+piśācī-bhūta+mānava)

• piśāca – ghoul, demon
  noun (masculine)
• vāsanā – impression, tendency, inclination, desire
  noun (feminine)
  Root: vas (class 1)
• utkrānta – overcome, transcended, departed from
  participle (masculine)
  Past Passive Participle
  From root kram (to step, go) with prefix ut-.
  Prefix: ut
  Root: kram (class 1)
• piśācī-bhūta – become a female ghoul (piśācī), ghoulish
  adjective (masculine)
  Past Passive Participle
  Compound with 'bhūta' (become), indicating transformation.
  Root: bhū (class 1)
• mānava – human, human being, descendant of Manu
  noun (masculine)

Note: This compound describes human beings transformed by the ghastly environment.