योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-26, verse-48

वज्रप्रहाराविरतम्रियमाणमहासुरम् ।
शुक्रामरमहाविद्याजीवमानमहासुरम् ॥ ४८ ॥

vajraprahārāviratamriyamāṇamahāsuram ,
śukrāmaramahāvidyājīvamānamahāsuram 48

48. vajraprahārāviratamriyamāṇamahāsuram
śukrāmaramahāvidyājīvamānamahāsuram

48. (saḥ) vajraprahārāviratamriyamāṇamahāsuram
śukrāmaramahāvidyājīvamānamahāsuram

48. Describing the great demon (mahāsura), who is continuously dying from thunderbolt strikes, yet simultaneously being kept alive by the great knowledge (mahāvidyā) of Shukra, the preceptor of the demons.

Words meanings summery:

• वज्रप्रहाराविरतम्रियमाणमहासुरम् (vajraprahārāviratamriyamāṇamahāsuram) - refers to the specific great demon being described (a great demon continuously dying from thunderbolt strikes)

• शुक्रामरमहाविद्याजीवमानमहासुरम् (śukrāmaramahāvidyājīvamānamahāsuram) - refers to the specific great demon being described (a great demon being kept alive by the great knowledge of Shukra)

Words meanings and morphology

वज्रप्रहाराविरतम्रियमाणमहासुरम् (vajraprahārāviratamriyamāṇamahāsuram) - refers to the specific great demon being described (a great demon continuously dying from thunderbolt strikes)

(noun)

Accusative, masculine, singular of vajraprahārāviratamriyamāṇamahāsura

vajraprahārāviratamriyamāṇamahāsura - great demon continuously dying from thunderbolt strikes

Compound type : Bahuvrihi (vajra+prahāra+avirata+mriyamāṇa+mahāsura)

• vajra – thunderbolt, diamond
  noun (neuter)
  Root: vaj
• prahāra – strike, blow, impact
  noun (masculine)
  Derived from pra-hṛ.
  Prefix: pra
  Root: hṛ (class 1)
• avirata – incessant, continuous, uninterrupted
  adjective
  Negative particle 'a' + 'virata' (stopped).
  Prefix: vi
  Root: ram (class 1)
• mriyamāṇa – dying, being killed
  adjective
  Present Passive Participle
  Present passive participle of root mṛ (to die), with ātmanepada suffix -māna.
  Root: mṛ (class 6)
• mahāsura – great demon
  noun (masculine)

Note: Compound term referring to the great demon described in the verse.

शुक्रामरमहाविद्याजीवमानमहासुरम् (śukrāmaramahāvidyājīvamānamahāsuram) - refers to the specific great demon being described (a great demon being kept alive by the great knowledge of Shukra)

(noun)

Accusative, masculine, singular of śukrāmaramahāvidyājīvamānamahāsura

śukrāmaramahāvidyājīvamānamahāsura - great demon being kept alive by the great knowledge of Shukra

Compound type : Bahuvrihi (śukra+amara+mahāvidyā+jīvamāna+mahāsura)

• śukra – Shukra (preceptor of demons), bright, clear, semen
  proper noun (masculine)
  Root: śuc (class 1)
• amara – immortal, god
  adjective (masculine)
  Negative particle 'a' + 'mara' (mortal).
  Root: mṛ (class 6)
• mahāvidyā – great knowledge, great science (vidyā), great lore
  noun (feminine)
  Root: vid (class 2)
• jīvamāṇa – living, being kept alive
  adjective
  Present Passive Participle
  Present passive participle of root jīv (to live), with ātmanepada suffix -māna.
  Root: jīv (class 1)
• mahāsura – great demon
  noun (masculine)

Note: Compound term referring to the great demon described in the verse.