योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-26, verse-36

आयुधाग्रविभिन्नोग्रदैत्यपर्वतनिर्झरैः ।
रक्तैररुणिताशेषवसुधार्णवपर्वतम् ॥ ३६ ॥

āyudhāgravibhinnogradaityaparvatanirjharaiḥ ,
raktairaruṇitāśeṣavasudhārṇavaparvatam 36

36. āyudhāgra-vibhinna-ugra-daitya-parvata-nirjharaiḥ
raktaiḥ aruṇita-aśeṣa-vasudhā-arṇava-parvatam

36. aruṇita-aśeṣa-vasudhā-arṇava-parvatam
āyudhāgra-vibhinna-ugra-daitya-parvata-nirjharaiḥ raktaiḥ

36. That [scene] where fierce, mountain-like demons, split by weapon-tips, create waterfalls of blood, and where, by blood, the entire earth, oceans, and mountains are crimsoned.

Words meanings summery:

• आयुधाग्र-विभिन्न-उग्र-दैत्य-पर्वत-निर्झरैः (āyudhāgra-vibhinna-ugra-daitya-parvata-nirjharaiḥ) - by the waterfalls of fierce, mountain-like demons split by weapon-tips

• रक्तैः (raktaiḥ) - by blood (by blood, by bloody things)

• अरुणित-अशेष-वसुधा-अर्णव-पर्वतम् (aruṇita-aśeṣa-vasudhā-arṇava-parvatam) - that which has crimsoned the entire earth, oceans, and mountains

Words meanings and morphology

आयुधाग्र-विभिन्न-उग्र-दैत्य-पर्वत-निर्झरैः (āyudhāgra-vibhinna-ugra-daitya-parvata-nirjharaiḥ) - by the waterfalls of fierce, mountain-like demons split by weapon-tips

(noun)

Instrumental, masculine, plural of āyudhāgra-vibhinna-ugra-daitya-parvata-nirjhara

āyudhāgra-vibhinna-ugra-daitya-parvata-nirjhara - waterfall from fierce, mountain-like demons split by weapon-tips

Compound type : tatpuruṣa (āyudhāgra+vibhinna+ugra-daitya-parvata+nirjhara)

• āyudhāgra – weapon-tip
  noun (neuter)
• vibhinna – split, torn asunder, broken
  adjective
  Past Passive Participle
  Derived from root √bhid (to split, break) with upasarga vi-
  Prefix: vi
  Root: √bhid (class 7)
• ugra-daitya-parvata – fierce, mountain-like demons
  noun (masculine)
• nirjhara – waterfall, stream, cascade
  noun (masculine)
  Root: √jhṛ

Note: This compound describes the source of the waterfalls (nirjhara), which are the fierce, mountain-like demons that have been split by weapon-tips.

रक्तैः (raktaiḥ) - by blood (by blood, by bloody things)

(noun)

Instrumental, neuter, plural of rakta

rakta - blood, red, reddened, passionate

Past Passive Participle

Derived from root √rañj (to color, dye) as a Past Passive Participle, meaning 'colored, dyed,' then acquiring the sense of 'blood' as a noun.

Root: √rañj (class 1)

अरुणित-अशेष-वसुधा-अर्णव-पर्वतम् (aruṇita-aśeṣa-vasudhā-arṇava-parvatam) - that which has crimsoned the entire earth, oceans, and mountains

(adjective)

Accusative, masculine, singular of aruṇita-aśeṣa-vasudhā-arṇava-parvata

aruṇita-aśeṣa-vasudhā-arṇava-parvata - that which has crimsoned the entire earth, oceans, and mountains

Compound type : bahuvrīhi (aruṇita+aśeṣa-vasudhā-arṇava-parvata)

• aruṇita – reddened, crimsoned, made red
  adjective
  Past Passive Participle
  Derived from the noun aruṇa (red, dawn) by adding -ita suffix to form a verbal adjective, meaning 'made red'.
• aśeṣa-vasudhā-arṇava-parvata – entire earth, oceans, and mountains
  noun (neuter)

Note: This adjective describes an implied accusative object (e.g., 'the battlefield', 'that scene').