योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-39, verse-23

पतद्वेतालसोल्लासमध्यस्थासृग्विरूपिकम् ।
पिशाचाकर्णिताभ्यर्णयोगिनीगणनायकम् ॥ २३ ॥

patadvetālasollāsamadhyasthāsṛgvirūpikam ,
piśācākarṇitābhyarṇayoginīgaṇanāyakam 23

23. patadvetālasaullāsamadhyasthāsṛgvirūpikam
piśācākarṇitābhyarṇayoginīgaṇanāyakam

23. patadvetālasaullāsamadhyasthāsṛgvirūpikam
piśācākarṇitābhyarṇayoginīgaṇanāyakam

23. One who is disfigured by blood, standing amidst falling and joyfully reveling vetālas; and who is the leader of a multitude of yoginīs, whose presence is noted by nearby ghouls (piśācas).

Words meanings summery:

• पतद्वेतालसौल्लासमध्यस्थासृग्विरूपिकम् (patadvetālasaullāsamadhyasthāsṛgvirūpikam) - Describing a horrifying deity or battlefield scene, as an adjective. (One who is disfigured by blood, situated amidst falling and joyful vetālas.)

• पिशाचाकर्णिताभ्यर्णयोगिनीगणनायकम् (piśācākarṇitābhyarṇayoginīgaṇanāyakam) - Describing the terrifying leader. (The leader of a host of yoginīs, whose presence is detected by nearby ghouls (piśācas).)

Words meanings and morphology

पतद्वेतालसौल्लासमध्यस्थासृग्विरूपिकम् (patadvetālasaullāsamadhyasthāsṛgvirūpikam) - Describing a horrifying deity or battlefield scene, as an adjective. (One who is disfigured by blood, situated amidst falling and joyful vetālas.)

(adjective)

Accusative, masculine, singular of patadvetālasaullāsamadhyasthāsṛgvirūpika

patadvetālasaullāsamadhyasthāsṛgvirūpika - Disfigured by blood, situated amidst falling and joyful vetālas.

Compound type : Bahuvrīhi (patat+vetāla+sa-ullāsa+madhya-stha+asṛj+virūpika)

• patat – falling, dropping, flying
  participle
  Present Active Participle
  Derived from root pat (to fall), present tense.
  Root: pat (class 1)
• vetāla – ghost, vampire-like demon
  noun (masculine)
• sa-ullāsa – with delight, joyful, gleeful
  adjective (masculine)
  Preceded by the prefix 'sa-' indicating 'with'.
  Prefix: sa
• madhya-stha – situated in the middle, standing in the midst of
  adjective (masculine)
  Root: sthā (class 1)
• asṛj – blood
  noun (neuter)
• virūpika – hideous, disfigured, ugly
  adjective (masculine)
  From vi + rūpa (form) + -ika (suffix).
  Prefix: vi
  Root: rūp

Note: This entire compound acts as an adjective modifying an implied noun, likely a leader or deity.

पिशाचाकर्णिताभ्यर्णयोगिनीगणनायकम् (piśācākarṇitābhyarṇayoginīgaṇanāyakam) - Describing the terrifying leader. (The leader of a host of yoginīs, whose presence is detected by nearby ghouls (piśācas).)

(noun)

Accusative, masculine, singular of piśācākarṇitābhyarṇayoginīgaṇanāyaka

piśācākarṇitābhyarṇayoginīgaṇanāyaka - Leader of the host of yoginīs whose presence is heard by nearby ghouls (piśācas).

Compound type : Bahuvrīhi (piśāca+ākarṇita+abhyarṇa+yoginī-gaṇa+nāyaka)

• piśāca – ghoul, demon, flesh-eating imp
  noun (masculine)
• ākarṇita – heard, listened to, perceived
  participle (neuter)
  Past Passive Participle
  Derived from root karṇ (to hear), with prefix ā-.
  Prefix: ā
  Root: karṇ
• abhyarṇa – near, close by, adjacent
  adjective
• yoginī-gaṇa – host of yoginīs
  noun (masculine)
• nāyaka – leader, chief, guide
  noun (masculine)
  Derived from root nī (to lead) + aka suffix.
  Root: nī (class 1)

Note: This compound acts as a noun in the accusative case, describing the main entity of the verse.