योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-214, verse-40

लसद्वंशलताकांस्यवीणामुरजमर्दलम् ।
ताण्डवेनोद्धतारावमन्योन्येतरशेखराः ॥ ४० ॥

lasadvaṃśalatākāṃsyavīṇāmurajamardalam ,
tāṇḍavenoddhatārāvamanyonyetaraśekharāḥ 40

40. lasad-vaṃśalatā-kāṃsya-vīṇā-muraja-mardalam
tāṇḍavena uddhata-āravam anyonye-tara-śekharāḥ

40. anyonye-tara-śekharāḥ tāṇḍavena
lasad-vaṃśalatā-kāṃsya-vīṇā-muraja-mardalam uddhata-āravam

40. Adorned with mutually distinct head-ornaments, they created a loud roar through their vigorous dance (tāṇḍava), a sound resonating with shining bamboo flutes, bronze cymbals (kāṃsya), vīṇās, murajas, and mardala drums.

Words meanings summery:

• लसद्-वंशलता-कांस्य-वीणा-मुरज-मर्दलम् (lasad-vaṁśalatā-kāṁsya-vīṇā-muraja-mardalam) - the collection of musical instruments producing the sound during the dance (shining bamboo flutes, bronze cymbals, vīṇās, murajas, and mardala drums (collectively))

• ताण्डवेन (tāṇḍavena) - by means of their vigorous dance (tāṇḍava) (by the vigorous dance; by the dance of Shiva (tāṇḍava))

• उद्धत-आरवम् (uddhata-āravam) - a loud, boisterous sound produced during the dance (a loud sound; a raised roar)

• अन्योन्ये-तर-शेखराः (anyonye-tara-śekharāḥ) - refers to the dancers/performers with diverse head adornments (those whose crests/head-ornaments are mutually different)

Words meanings and morphology

लसद्-वंशलता-कांस्य-वीणा-मुरज-मर्दलम् (lasad-vaṁśalatā-kāṁsya-vīṇā-muraja-mardalam) - the collection of musical instruments producing the sound during the dance (shining bamboo flutes, bronze cymbals, vīṇās, murajas, and mardala drums (collectively))

(noun)

Accusative, neuter, singular of lasad-vaṃśalatā-kāṃsya-vīṇā-muraja-mardala

lasad-vaṁśalatā-kāṁsya-vīṇā-muraja-mardala - collection of shining bamboo flutes, bronze cymbals, vīṇās, murajas, and mardala drums

Compound type : Karmadhāraya-Dvandva (lasat+vaṃśalatā+kāṃsya+vīṇā+muraja+mardala)

• lasat – shining, glittering, playing, trembling
  adjective
  Present Active Participle
  Derived from root 'las' (to shine, play) + śatṛ suffix
  Root: las (class 1)
• vaṃśalatā – bamboo creeper, bamboo flute
  noun (feminine)
• kāṃsya – bronze; bronze cymbal or bell
  noun (neuter)
• vīṇā – lute, stringed musical instrument
  noun (feminine)
• muraja – drum, a kind of drum
  noun (masculine)
• mardala – drum, a kind of drum
  noun (masculine)

Note: This long compound acts as an adverbial accusative, describing the nature of the sound produced or the instruments involved.

ताण्डवेन (tāṇḍavena) - by means of their vigorous dance (tāṇḍava) (by the vigorous dance; by the dance of Shiva (tāṇḍava))

(noun)

Instrumental, neuter, singular of tāṇḍava

tāṇḍava - a vigorous, energetic dance, especially associated with Shiva; any strenuous activity

उद्धत-आरवम् (uddhata-āravam) - a loud, boisterous sound produced during the dance (a loud sound; a raised roar)

(noun)

Accusative, neuter, singular of uddhata-ārava

uddhata-ārava - loud sound, strong roar

Compound type : Karmadhāraya (uddhata+ārava)

• uddhata – raised, uplifted, arrogant, loud, violent
  adjective
  Past Passive Participle
  Derived from root 'han' (to strike, injure) with prefix 'ud'
  Prefix: ud
  Root: han (class 2)
• ārava – sound, noise, roar, cry
  noun (masculine)
  Prefix: ā
  Root: ru (class 2)

अन्योन्ये-तर-शेखराः (anyonye-tara-śekharāḥ) - refers to the dancers/performers with diverse head adornments (those whose crests/head-ornaments are mutually different)

(adjective)

Nominative, masculine, plural of anyonye-tara-śekhara

anyonye-tara-śekhara - having mutually different or various crests/head-ornaments

Compound type : Bahuvrihi (anyonya+itara+śekhara)

• anyonya – mutual, each other
  pronoun
• itara – other, different, distinct
  adjective
• śekhara – crest, diadem, garland, head-ornament
  noun (masculine)

Note: Acts as a subject (noun) in the sentence, describing the people.