योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-8, verse-3

द्विजकैरवशीतांशुर्द्विपत्तिमिरभास्करः ।
सौजन्यरत्नजलधिर्भुवं विष्णुरिवास्थितः ॥ ३ ॥

dvijakairavaśītāṃśurdvipattimirabhāskaraḥ ,
saujanyaratnajaladhirbhuvaṃ viṣṇurivāsthitaḥ 3

3. dvija-kairava-śītāṃśuḥ dvipat-timira-bhāskaraḥ
saujanya-ratna-jaladhiḥ bhuvam viṣṇuḥ iva āsthitaḥ

3. saḥ (implied) dvija-kairava-śītāṃśuḥ
dvipat-timira-bhāskaraḥ
saujanya-ratna-jaladhiḥ (san)
bhuvam viṣṇuḥ iva āsthitaḥ (āsīt)

3. He was like the moon to the white lotuses of the Brahmins (dvija), the sun dispelling the darkness of his enemies, and an ocean of the jewels of goodness, abiding on earth like Viṣṇu (puruṣa).

Words meanings summery:

• द्विज-कैरव-शीतांशुः (dvija-kairava-śītāṁśuḥ) - moon for the white lotuses (kairava) of Brahmins (dvija)

• द्विपत्-तिमिर-भास्करः (dvipat-timira-bhāskaraḥ) - sun for the darkness of enemies

• सौजन्य-रत्न-जलधिः (saujanya-ratna-jaladhiḥ) - ocean of the jewels of goodness/virtue

• भुवम् (bhuvam) - on the earth (to the earth, on the earth)

• विष्णुः (viṣṇuḥ) - Viṣṇu (a major Hindu deity)

• इव (iva) - like, as, as if

• आस्थितः (āsthitaḥ) - abiding (on earth) (situated, established, abiding, standing upon)

Words meanings and morphology

द्विज-कैरव-शीतांशुः (dvija-kairava-śītāṁśuḥ) - moon for the white lotuses (kairava) of Brahmins (dvija)

(adjective)

Nominative, masculine, singular of dvija-kairava-śītāṃśu

dvija-kairava-śītāṁśu - one who is like the moon to the kairava lotuses which are the dvijas

Bahuvrīhi compound. Metaphorically, Janaka makes Brahmins flourish like the moon makes kairava lotuses bloom. 'Dvija-kairava' is a karmadhāraya compound, then 'dvija-kairava-śītāṃśu' is a tatpurusha compound.

Compound type : bahuvrīhi (dvija+kairava+śītāṃśu)

• dvija – twice-born (Brahmin, Kṣatriya, Vaiśya); bird; tooth
  noun (masculine)
  From dvi (twice) + jan (to be born).
  Root: jan (class 4)
• kairava – white water-lily, lotus (that blooms at night)
  noun (neuter)
• śītāṃśu – moon (cold-rayed)
  noun (masculine)
  Tatpurusha compound: śīta (cold) + aṃśu (ray).

Note: Adjective for Janaka.

द्विपत्-तिमिर-भास्करः (dvipat-timira-bhāskaraḥ) - sun for the darkness of enemies

(adjective)

Nominative, masculine, singular of dvipat-timira-bhāskara

dvipat-timira-bhāskara - one who is like the sun to the darkness of enemies

Tatpurusha compound. dvipat-timira (darkness of enemies) + bhāskara (sun).

Compound type : tatpuruṣa (dvipat+timira+bhāskara)

• dvipat – enemy, foe, adversary
  noun (masculine)
  From dviṣ (to hate) + present participle suffix.
  Root: dviṣ (class 2)
• timira – darkness, gloom
  noun (masculine)
  Root: tim (class 1)
• bhāskara – sun, light-maker
  noun (masculine)
  From bhās (light) + kara (maker).
  Root: bhās (class 2)

Note: Adjective for Janaka.

सौजन्य-रत्न-जलधिः (saujanya-ratna-jaladhiḥ) - ocean of the jewels of goodness/virtue

(noun)

Nominative, masculine, singular of saujanya-ratna-jaladhi

saujanya-ratna-jaladhi - an ocean filled with the jewels of noble qualities or goodness

Tatpurusha compound. saujanya-ratna (jewels of goodness) + jaladhi (ocean).

Compound type : tatpuruṣa (saujanya+ratna+jaladhi)

• saujanya – goodness, nobility, kindness, amiability
  noun (neuter)
  From sujana (good person) + suffix -ya.
• ratna – jewel, gem, precious stone
  noun (neuter)
  Root: rat (class 1)
• jaladhi – ocean, sea (holder of water)
  noun (masculine)
  Tatpurusha compound: jala (water) + dhā (to hold/store).
  Root: dhā (class 3)

Note: Functions as an adjective for Janaka.

भुवम् (bhuvam) - on the earth (to the earth, on the earth)

(noun)

Accusative, feminine, singular of bhū

bhū - earth, ground, land, world

Root: bhū (class 1)

विष्णुः (viṣṇuḥ) - Viṣṇu (a major Hindu deity)

(proper noun)

Nominative, masculine, singular of viṣṇu

viṣṇu - Viṣṇu, the preserver god in Hinduism (puruṣa)

Root: viṣ (class 6)

इव (iva) - like, as, as if

(indeclinable)

आस्थितः (āsthitaḥ) - abiding (on earth) (situated, established, abiding, standing upon)

(adjective)

Nominative, masculine, singular of āsthita

āsthita - established, situated, fixed, standing, abiding, resorting to

Past Passive Participle

From root sthā (to stand) with prefix ā.

Prefix: ā

Root: sthā (class 1)

Note: Functions as a predicate adjective.