योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-22, verse-22

यदध्वराग्र्यधूमाभ्रराजयो वलिताब्धयः ।
ब्रह्माण्डकोटरस्यास्य सदा कवचतां ययुः ॥ २२ ॥

yadadhvarāgryadhūmābhrarājayo valitābdhayaḥ ,
brahmāṇḍakoṭarasyāsya sadā kavacatāṃ yayuḥ 22

22. yat-adhvara-agrya-dhūma-abhra-rā-jayaḥ valita-abdhayaḥ
brahmāṇḍa-koṭarasya asya sadā kavacatām yayuḥ

22. yat-adhvara-agrya-dhūma-abhra-rā-jayaḥ,
valita-abdhayaḥ,
asya brahmāṇḍa-koṭarasya sadā kavacatām yayuḥ

22. The lines of smoke-clouds from whose excellent sacrifices, encircling the oceans, always became an armor for this hollow of the cosmic egg (brahmāṇḍa).

Words meanings summery:

• यत्-अध्वर-अग्र्य-धूम-अभ्र-रा-जयः (yat-adhvara-agrya-dhūma-abhra-rā-jayaḥ) - whose foremost sacrificial smoke-cloud-lines

• वलित-अब्धयः (valita-abdhayaḥ) - encircling the oceans

• ब्रह्माण्ड-कोटरस्य (brahmāṇḍa-koṭarasya) - of the hollow of the cosmic egg

• अस्य (asya) - of this, of him

• सदा (sadā) - always, ever

• कवचताम् (kavacatām) - the state of being an armor/shield

• ययुः (yayuḥ) - they went, they became

Words meanings and morphology

यत्-अध्वर-अग्र्य-धूम-अभ्र-रा-जयः (yat-adhvara-agrya-dhūma-abhra-rā-jayaḥ) - whose foremost sacrificial smoke-cloud-lines

(noun)

Nominative, feminine, plural of yat-adhvara-agrya-dhūma-abhra-rā-ji

yat-adhvara-agrya-dhūma-abhra-rā-ji - lines of excellent sacrificial smoke-clouds belonging to someone

Compound type : tatpuruṣa (yad+adhvara-agrya+dhūma+abhra+rāji)

• yad – whose, which
  pronoun
• adhvara-agrya – foremost sacrifice, excellent sacrifice
  noun (masculine)
• adhvara – sacrifice, ritual
  noun (masculine)
• agrya – foremost, excellent
  adjective
• dhūma – smoke
  noun (masculine)
• abhra – cloud
  noun (neuter)
• rāji – line, row
  noun (feminine)

Note: Subject of `yayuḥ`.

वलित-अब्धयः (valita-abdhayaḥ) - encircling the oceans

(adjective)

Nominative, feminine, plural of valita-abdhi

valita-abdhi - one that has oceans encircled

Compound type : bahuvrīhi (valita+abdhi)

• valita – encircled, surrounded
  adjective
  Past Passive Participle
  From √val (to turn, move around)
  Root: val (class 1)
• abdhi – ocean
  noun (masculine)
  From `ap` (water) + `dhā` (to hold)
  Root: dhā (class 3)

Note: Qualifies `rā-jayaḥ`.

ब्रह्माण्ड-कोटरस्य (brahmāṇḍa-koṭarasya) - of the hollow of the cosmic egg

(noun)

Genitive, neuter, singular of brahmāṇḍa-koṭara

brahmāṇḍa-koṭara - hollow/cavity of the cosmic egg

Compound type : tatpuruṣa (brahmāṇḍa+koṭara)

• brahmāṇḍa – cosmic egg, universe
  noun (neuter)
• koṭara – hollow, cavity, cave
  noun (neuter)

अस्य (asya) - of this, of him

(pronoun)

Genitive, neuter, singular of idam

idam - this

Note: Demonstrative pronoun.

सदा (sadā) - always, ever

(indeclinable)

Note: Adverb of time.

कवचताम् (kavacatām) - the state of being an armor/shield

(noun)

Accusative, feminine, singular of kavacatā

kavacatā - state of being an armor/shield

Derived from `kavaca` (armor) + `tā` (feminine suffix)

Note: Predicate accusative with `yayuḥ` (became).

ययुः (yayuḥ) - they went, they became

(verb)

3rd person , plural, active, perfect (lit) of yā

perfect active indicative

Root: yā (class 2)

Note: Indicates reaching a state.