योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-81, verse-20

बृहत्तरङ्गोर्ध्वभुजा श्यामलोल्लासशालिनी ।
एकार्णवोर्मिमालेव नृत्तावृत्तिविवर्तिनी ॥ २० ॥

bṛhattaraṅgordhvabhujā śyāmalollāsaśālinī ,
ekārṇavormimāleva nṛttāvṛttivivartinī 20

20. bṛhattaraṅgordhvabhujā śyāmalollāsaśālinī
ekārṇavormimālā iva nṛttāvṛttivivartinī

20. bṛhattaraṅgordhvabhujā śyāmalollāsaśālinī
ekārṇavormimālā iva nṛttāvṛttivivartinī

20. With arms raised like mighty waves, endowed with dark splendor, she twists and turns in a dance-like motion, like a garland of waves from the single cosmic ocean (ekārṇava) (at dissolution).

Words meanings summery:

• बृहत्तरङ्गोर्ध्वभुजा (bṛhattaraṅgordhvabhujā) - having arms raised upwards like great waves

• श्यामलोल्लासशालिनी (śyāmalollāsaśālinī) - adorned with dark splendor/joy/play, possessing dusky delight

• एकार्णवोर्मिमाला (ekārṇavormimālā) - a garland of waves of the single ocean (at cosmic dissolution)

• इव (iva) - like, as, as if

• नृत्तावृत्तिविवर्तिनी (nṛttāvṛttivivartinī) - turning around in a dance-like motion, revolving in a dance sequence

Words meanings and morphology

बृहत्तरङ्गोर्ध्वभुजा (bṛhattaraṅgordhvabhujā) - having arms raised upwards like great waves

(adjective)

Nominative, feminine, singular of bṛhattaraṅgordhvabhujā

bṛhattaraṅgordhvabhujā - having arms raised upwards like great waves

Compound type : Bahuvrīhi (bṛhat+taraṅga+ūrdhva+bhujā)

• bṛhat – great, large, vast
  adjective
  Root: √bṛh (class 1)
• taraṅga – wave, billow
  noun (masculine)
  Root: √tṛ (class 1)
• ūrdhva – upward, elevated, high
  adjective
• bhujā – arm
  noun (feminine)

Note: Describes the implicit feminine subject.

श्यामलोल्लासशालिनी (śyāmalollāsaśālinī) - adorned with dark splendor/joy/play, possessing dusky delight

(adjective)

Nominative, feminine, singular of śyāmalollāsaśālinī

śyāmalollāsaśālinī - adorned with dark splendor/joy/play

Compound type : Bahuvrīhi (śyāmala+ullāsa+śālinī)

• śyāmala – dark, dusky, blackish
  adjective
• ullāsa – splendor, light, joy, delight, manifestation
  noun (masculine)
  Prefix: ud
  Root: √las (class 1)
• śālinī – possessing, endowed with, adorned with
  adjective (feminine)
  Adjective from noun
  Feminine form of śālin, derived from śāla (house, or used as suffix 'having')

Note: Describes the implicit feminine subject.

एकार्णवोर्मिमाला (ekārṇavormimālā) - a garland of waves of the single ocean (at cosmic dissolution)

(noun)

Nominative, feminine, singular of ekārṇavormimālā

ekārṇavormimālā - a garland of waves of the single ocean

Compound type : Tatpuruṣa (eka+arṇava+ūrmi+mālā)

• eka – one, single
  numeral
• arṇava – ocean, sea
  noun (masculine)
  Root: √ṛ (class 3)
• ūrmi – wave, billow
  noun (masculine)
  Root: √ṛ (class 3)
• mālā – garland, wreath, series, row
  noun (feminine)

Note: Used here in comparison with 'iva'.

इव (iva) - like, as, as if

(indeclinable)

नृत्तावृत्तिविवर्तिनी (nṛttāvṛttivivartinī) - turning around in a dance-like motion, revolving in a dance sequence

(adjective)

Nominative, feminine, singular of nṛttāvṛttivivartinī

nṛttāvṛttivivartinī - turning around in a dance-like motion

Compound type : Bahuvrīhi (nṛtta+āvṛtti+vivartinī)

• nṛtta – dance, act of dancing
  noun (neuter)
  Past Passive Participle (used as noun)
  Derived from root √nṛt (to dance)
  Root: √nṛt (class 4)
• āvṛtti – turning around, revolving, repetition
  noun (feminine)
  Derived from 'ā-' prefix and root '√vṛt' (to turn)
  Prefix: ā
  Root: √vṛt (class 1)
• vivartinī – turning, revolving, existing
  adjective (feminine)
  Active Participle
  Feminine form of vivartin, derived from 'vi-' prefix and root '√vṛt' (to turn)
  Prefix: vi
  Root: √vṛt (class 1)

Note: Describes the implicit feminine subject.