योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-26, verse-50

उत्पातमङ्गलौघानां बुद्धेरुद्धरकन्धरम् ।
साद्रिखोर्वीसमुद्रद्युजगद्रुधिरवारिधि ॥ ५० ॥

utpātamaṅgalaughānāṃ buddheruddharakandharam ,
sādrikhorvīsamudradyujagadrudhiravāridhi 50

50. utpātamaṅgalaughānām buddheḥ uddharakandharam
sādrikhōrvīsamudradyujagadrudhiravāridhim

50. (saḥ) utpātamaṅgalaughānām,
buddheḥ uddharakandharam,
sādrikhōrvīsamudradyujagadrudhiravāridhim

50. Describing the demon, who is surrounded by floods of omens both calamitous and auspicious, whose neck is haughtily raised due to his intellect; (he has created) an ocean of blood from the mountains, sky, earth, and all worlds.

Words meanings summery:

• उत्पातमङ्गलौघानाम् (utpātamaṅgalaughānām) - (surrounded by) floods of omens, both calamitous and auspicious (of floods/multitudes of omens (calamitous and auspicious))

• बुद्धेः (buddheḥ) - due to his intellect (or pride/arrogance stemming from it) (of intellect, from intelligence, by understanding)

• उद्धरकन्धरम् (uddharakandharam) - one whose neck is haughtily raised (one whose neck is uplifted/raised)

• साद्रिख्ओर्वीसमुद्रद्युजगद्रुधिरवारिधिम् (sādrikhōrvīsamudradyujagadrudhiravāridhim) - (creating) an ocean of blood from the mountains, sky, earth, oceans, and all worlds (an ocean of blood from the mountains, sky, earth, oceans, and entire world)

Words meanings and morphology

उत्पातमङ्गलौघानाम् (utpātamaṅgalaughānām) - (surrounded by) floods of omens, both calamitous and auspicious (of floods/multitudes of omens (calamitous and auspicious))

(noun)

Genitive, masculine, plural of utpātamaṅgalaugha

utpātamaṅgalaugha - multitude of calamities and auspicious omens

Compound of utpāta (calamity/omen), maṅgala (auspicious sign), and ogha (flood/multitude).

Compound type : Dvandva-Tatpurusha (utpāta+maṅgala+ogha)

• utpāta – calamity, omen, upheaval, unusual event
  noun (masculine)
  Derived from ut-pat (to fly up, happen).
  Prefix: ud
  Root: pat (class 1)
• maṅgala – auspicious, fortunate, blessing
  noun (neuter)
  Root: maṅg
• ogha – flood, multitude, host
  noun (masculine)
  Root: vah (class 1)

Note: Possessive case, indicating what belongs to or surrounds the demon.

बुद्धेः (buddheḥ) - due to his intellect (or pride/arrogance stemming from it) (of intellect, from intelligence, by understanding)

(noun)

Genitive, feminine, singular of buddhi

buddhi - intellect, understanding, perception, mind (buddhi)

Derived from root budh (to know, perceive).

Root: budh (class 1)

Note: Genitive case, indicating source or possession for the following word.

उद्धरकन्धरम् (uddharakandharam) - one whose neck is haughtily raised (one whose neck is uplifted/raised)

(adjective)

Accusative, masculine, singular of uddharakandhara

uddharakandhara - having an uplifted neck

Bahuvrihi compound describing one who possesses an uplifted neck.

Compound type : Bahuvrihi (uddhara+kandhara)

• uddhara – uplifting, raising, drawing out
  adjective
  agent noun / participle fragment
  Derived from ud-hṛ (to lift up, extract).
  Prefix: ud
  Root: hṛ (class 1)
• kandhara – neck
  noun (masculine)

Note: Adjective modifying the implied accusative subject (the demon).

साद्रिख्ओर्वीसमुद्रद्युजगद्रुधिरवारिधिम् (sādrikhōrvīsamudradyujagadrudhiravāridhim) - (creating) an ocean of blood from the mountains, sky, earth, oceans, and all worlds (an ocean of blood from the mountains, sky, earth, oceans, and entire world)

(noun)

Accusative, masculine, singular of sādrikhōrvīsamudradyujagadrudhiravāridhi

sādrikhōrvīsamudradyujagadrudhiravāridhi - an ocean of blood from the entire world including mountains, sky, earth, and oceans

Long Bahuvrihi compound, describing the vastness of the blood ocean.

Compound type : Bahuvrihi (sa-adri+kha-urvī+samudra+dyujagat+rudhira+vāridhi)

• sa-adri – with mountains, accompanied by mountains
  adjective
  Preposition 'sa' (with) + 'adri' (mountain).
  Prefix: sa
• kha-urvī – sky and earth
  noun (feminine)
  Dvandva compound: kha (sky/ether) + urvī (earth).
• samudra – ocean, sea
  noun (masculine)
  Prefix: sam
  Root: mud
• dyujagat – heaven and earth, the world with the sky
  noun (neuter)
  Compound of dyu (sky/heaven) and jagat (the moving world, earth).
  Root: div (class 1)
• rudhira – blood
  noun (neuter)
  Derived from root rudh (to obstruct, flow).
  Root: rudh (class 7)
• vāridhi – ocean, sea (water-holder)
  noun (masculine)
  Compound of vāri (water) and dhī (holding).
  Root: dhā (class 3)

Note: Direct object or attribute of the demon's actions.