योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-39, verse-18

वहद्रक्तनदीरंहोरूढभूचररूपिकम् ।
वेतालकुलकङ्कालकर्षणाकुलकाकलम् ॥ १८ ॥

vahadraktanadīraṃhorūḍhabhūcararūpikam ,
vetālakulakaṅkālakarṣaṇākulakākalam 18

18. vahad-rakta-nadī-raṃhas-rūḍha-bhūcara-rūpikam
vetāla-kula-kaṅkāla-karṣaṇa-ākula-kākalakam

18. vahad-rakta-nadī-raṃhas-rūḍha-bhūcara-rūpikam
vetāla-kula-kaṅkāla-karṣaṇa-ākula-kākalakam

18. It is characterized by terrestrial forms that have arisen from the impetus of flowing rivers of blood; and it features the confused cries of agitated `vetāla` hordes dragging skeletons.

Words meanings summery:

• वहद्-रक्त-नदी-रंहस्-रूढ-भूचर-रूपिकम् (vahad-rakta-nadī-raṁhas-rūḍha-bhūcara-rūpikam) - (a scene) characterized by terrestrial forms that have arisen from the impetus of flowing rivers of blood

• वेताल-कुल-कङ्काल-कर्षण-आकुल-काकलकम् (vetāla-kula-kaṅkāla-karṣaṇa-ākula-kākalakam) - (a scene) with the confused cries of agitated vetāla (ghoul) hordes dragging skeletons

Words meanings and morphology

वहद्-रक्त-नदी-रंहस्-रूढ-भूचर-रूपिकम् (vahad-rakta-nadī-raṁhas-rūḍha-bhūcara-rūpikam) - (a scene) characterized by terrestrial forms that have arisen from the impetus of flowing rivers of blood

(noun)

Accusative, neuter, singular of vahad-rakta-nadī-raṃhas-rūḍha-bhūcara-rūpaka

vahad-rakta-nadī-raṁhas-rūḍha-bhūcara-rūpaka - (a scene) characterized by terrestrial forms that have arisen from the impetus of flowing rivers of blood

Compound type : bahuvrihi (vahant+rakta+nadī+raṃhas+rūḍha+bhūcara+rūpaka)

• vahant – flowing, carrying
  adjective
  Present Active Participle
  From root vah (to flow, carry)
  Root: vah (class 1)
• rakta – blood, red
  noun (neuter)
  Past Passive Participle
  From root rañj (to color, dye)
  Root: rañj (class 1)
• nadī – river
  noun (feminine)
• raṃhas – impetus, current, speed, rush
  noun (neuter)
  Root: raṃh (class 1)
• rūḍha – grown, arisen, ascended, established
  adjective
  Past Passive Participle
  From root ruh (to grow, ascend)
  Root: ruh (class 1)
• bhūcara – earth-dweller, terrestrial being
  noun (masculine/neuter)
  From bhū (earth) + car (to move)
  Root: car (class 1)
• rūpaka – form, figure, characteristic, representation
  noun (neuter)
  From rūpa (form) + ka suffix.

Note: This compound functions adjectivally, likely in the accusative case, modifying an implicit entity or a noun from a preceding or succeeding verse.

वेताल-कुल-कङ्काल-कर्षण-आकुल-काकलकम् (vetāla-kula-kaṅkāla-karṣaṇa-ākula-kākalakam) - (a scene) with the confused cries of agitated vetāla (ghoul) hordes dragging skeletons

(noun)

Accusative, neuter, singular of vetāla-kula-kaṅkāla-karṣaṇa-ākula-kākalaka

vetāla-kula-kaṅkāla-karṣaṇa-ākula-kākalaka - (a scene) with the confused cries of agitated vetāla (ghoul) hordes dragging skeletons

Compound type : bahuvrihi (vetāla+kula+kaṅkāla+karṣaṇa+ākula+kākalaka)

• vetāla – ghoul, vampire-like demon
  noun (masculine)
• kula – family, tribe, multitude, horde
  noun (neuter)
• kaṅkāla – skeleton, bare bones
  noun (masculine/neuter)
• karṣaṇa – dragging, pulling, tearing
  noun (neuter)
  From root kṛṣ (to drag, pull)
  Root: kṛṣ (class 1)
• ākula – agitated, confused, distraught, disturbed
  adjective
  From ā-kul (to be agitated)
  Prefix: ā
  Root: kul (class 1)
• kākalaka – confused cry, murmur, indistinct sound
  noun (neuter)
  From kākalī (sweet but indistinct sound) + ka suffix. Here implies confused or tumultuous sound.

Note: This compound functions adjectivally, likely in the accusative case, modifying an implicit entity or a noun from a preceding or succeeding verse.