योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-25, verse-18

मायैरावणनागेन्द्रविद्रुतामरवारणः ।
त्रैलोक्यविभवोत्कर्षपूरितान्तःपुरान्तरः ॥ १८ ॥

māyairāvaṇanāgendravidrutāmaravāraṇaḥ ,
trailokyavibhavotkarṣapūritāntaḥpurāntaraḥ 18

18. māyā-airāvaṇa-nāga-indra-vidruta-amara-vāraṇaḥ
trai-lokya-vibhava-utkarṣa-pūrita-antaḥ-pura-antaraḥ

18. (saḥ) māyā-airāvaṇa-nāga-indra-vidruta-amara-vāraṇaḥ
(bhavati)
trai-lokya-vibhava-utkarṣa-pūrita-antaḥ-pura-antaraḥ
(ca asti)

18. He who routed the divine elephants, including Airāvata, the king of elephants, through his illusory power (māyā); and whose inner palace is filled with the supreme grandeur and prosperity of the three worlds.

Words meanings summery:

• माया-ऐरावण-नाग-इन्द्र-विद्रुत-अमर-वारणः (māyā-airāvaṇa-nāga-indra-vidruta-amara-vāraṇaḥ) - one who routed divine elephants, including Airāvata, the king of elephants, by his illusory power (māyā)

• त्रै-लोक्य-विभव-उत्कर्ष-पूरित-अन्तः-पुर-अन्तरः (trai-lokya-vibhava-utkarṣa-pūrita-antaḥ-pura-antaraḥ) - one whose inner palace is filled with the supreme grandeur and prosperity of the three worlds

Words meanings and morphology

माया-ऐरावण-नाग-इन्द्र-विद्रुत-अमर-वारणः (māyā-airāvaṇa-nāga-indra-vidruta-amara-vāraṇaḥ) - one who routed divine elephants, including Airāvata, the king of elephants, by his illusory power (māyā)

(adjective)

Nominative, masculine, singular of māyā-airāvaṇa-nāga-indra-vidruta-amara-vāraṇa

māyā-airāvaṇa-nāga-indra-vidruta-amara-vāraṇa - one who routed divine elephants, including Airāvata, the king of elephants, by his illusory power (māyā)

Bahuvrīhi compound describing a person.

Compound type : bahuvrīhi (māyā+airāvaṇa+nāga+indra+vidruta+amara+vāraṇa)

• māyā – illusion, magic, divine power, cosmic illusion
  noun (feminine)
• airāvaṇa – Airāvata, Indra's elephant
  proper noun (masculine)
• nāga – elephant, serpent, cobra
  noun (masculine)
• indra – king, chief, lord; the god Indra
  noun (masculine)
• vidruta – routed, fled, scattered, put to flight
  adjective (masculine)
  Past Passive Participle
  Derived from root 'dru' (to run) with upasarga 'vi'
  Prefix: vi
  Root: dru (class 1)
• amara – immortal, god, divine being
  noun (masculine)
• vāraṇa – elephant, warding off, preventing
  noun (masculine)

त्रै-लोक्य-विभव-उत्कर्ष-पूरित-अन्तः-पुर-अन्तरः (trai-lokya-vibhava-utkarṣa-pūrita-antaḥ-pura-antaraḥ) - one whose inner palace is filled with the supreme grandeur and prosperity of the three worlds

(adjective)

Nominative, masculine, singular of trai-lokya-vibhava-utkarṣa-pūrita-antaḥ-pura-antara

trai-lokya-vibhava-utkarṣa-pūrita-antaḥ-pura-antara - one whose inner palace is filled with the supreme grandeur and prosperity of the three worlds

Bahuvrīhi compound describing a person.

Compound type : bahuvrīhi (trai-lokya+vibhava+utkarṣa+pūrita+antaḥ-pura+antara)

• trai-lokya – the three worlds (heaven, earth, and netherworld)
  noun (neuter)
  Compound: tri (three) + lokya (world)
• vibhava – power, greatness, prosperity, grandeur
  noun (masculine)
• utkarṣa – excellence, abundance, superiority, elevation
  noun (masculine)
• pūrita – filled, full, complete, accomplished
  adjective (masculine)
  Past Passive Participle
  Derived from root 'pūr' (to fill)
  Root: pūr (class 10)
• antaḥ-pura – inner palace, women's apartments, harem
  noun (neuter)
  Compound: antar (within) + pura (city/palace)
• antara – inner, interior, within
  adjective (neuter)