योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-18, verse-5

अनारतशिरश्चन्द्रप्रस्रवेणामृतीकृतः ।
यस्येन्द्रनीलवत्कालकूटः कण्ठे विभूषणम् ॥ ५ ॥

anārataśiraścandraprasraveṇāmṛtīkṛtaḥ ,
yasyendranīlavatkālakūṭaḥ kaṇṭhe vibhūṣaṇam 5

5. anārataśiraścandraprasraveṇa amṛtīkṛtaḥ yasya
indranīlavat kālakūṭaḥ kaṇṭhe vibhūṣaṇam

5. yasya kaṇṭhe kālakūṭaḥ anārataśiraścandraprasraveṇa
amṛtīkṛtaḥ indranīlavat vibhūṣaṇam

5. Whose Kālakūṭa poison, made immortal by the incessant flow from the moon on his head, is an ornament in his throat, resembling an Indra-blue gem (indranīla).

Words meanings summery:

• अनारतशिरश्चन्द्रप्रस्रवेण (anārataśiraścandraprasraveṇa) - by the incessant flow from the moon on the head

• अमृतीकृतः (amṛtīkṛtaḥ) - made immortal, rendered nectar-like

• यस्य (yasya) - whose, of whom

• इन्द्रनीलवत् (indranīlavat) - like an Indra-blue gem, like a sapphire

• कालकूटः (kālakūṭaḥ) - the Kālakūṭa poison

• कण्ठे (kaṇṭhe) - in the throat

• विभूषणम् (vibhūṣaṇam) - ornament, adornment

Words meanings and morphology

अनारतशिरश्चन्द्रप्रस्रवेण (anārataśiraścandraprasraveṇa) - by the incessant flow from the moon on the head

(noun)

Instrumental, masculine, singular of anārataśiraścandraprasrava

anārataśiraścandraprasrava - incessant flow from the moon on the head

Compound type : Tatpurusha (anārata+śiras+candra+prasrava)

• anārata – incessant, uninterrupted, continuous
  adjective
  Past Passive Participle
  From root ram (to stop, rest) with prefix ā- and negative particle a-.
  Prefix: ā
  Root: ram (class 1)
• śiras – head, top
  noun (neuter)
• candra – moon
  noun (masculine)
• prasrava – flow, stream, exudation
  noun (masculine)
  Derived from root sru (to flow) with prefix pra-.
  Prefix: pra
  Root: sru (class 1)

अमृतीकृतः (amṛtīkṛtaḥ) - made immortal, rendered nectar-like

(adjective)

Nominative, masculine, singular of amṛtīkṛta

amṛtīkṛta - made immortal, rendered nectar-like

Past Passive Participle

Compound verb 'amṛtīkṛ' (to make immortal) formed with 'amṛta' and root 'kṛ'.

Root: kṛ (class 8)

यस्य (yasya) - whose, of whom

(pronoun)

Genitive, masculine, singular of yad

yad - who, which

इन्द्रनीलवत् (indranīlavat) - like an Indra-blue gem, like a sapphire

(indeclinable)

Formed with the suffix -vat, indicating similarity.

Compound type : Tatpurusha (indra+nīla)

• indra – Indra (name of a Vedic deity)
  proper noun (masculine)
• nīla – blue, dark blue, sapphire
  adjective

कालकूटः (kālakūṭaḥ) - the Kālakūṭa poison

(noun)

Nominative, masculine, singular of kālakūṭa

kālakūṭa - Kālakūṭa (a mythical deadly poison churned from the ocean)

Compound type : Tatpurusha (kāla+kūṭa)

• kāla – black, dark, time, death
  noun (masculine)
• kūṭa – heap, mass, collection, poison, fraud
  noun (masculine)

कण्ठे (kaṇṭhe) - in the throat

(noun)

Locative, masculine, singular of kaṇṭha

kaṇṭha - throat, neck

विभूषणम् (vibhūṣaṇam) - ornament, adornment

(noun)

Nominative, neuter, singular of vibhūṣaṇa

vibhūṣaṇa - ornament, adornment

Derived from root bhūṣ (to adorn) with prefix vi-.

Prefix: vi

Root: bhūṣ (class 10)