योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-15, verse-4

स्कन्धेषु किन्नरीगीतद्विगुणभ्रमरस्वनम् ।
दोलालोलाप्सरोलोकद्विगुणीकृतपल्लवम् ॥ ४ ॥

skandheṣu kinnarīgītadviguṇabhramarasvanam ,
dolālolāpsarolokadviguṇīkṛtapallavam 4

4. skandheṣu kinnarīgītadviguṇabhramarasvanam
dolālolāpsarolokadviguṇīkṛtapallavam

4. skandheṣu kinnarīgītadviguṇabhramarasvanam
dolālolāpsarolokadviguṇīkṛtapallavam

4. On its slopes, it resounded with the humming of bees, which was twice the volume of the Kinnarīs' songs, and its foliage was made twice as abundant by the throngs of Apsarases swaying playfully on swings.

Words meanings summery:

• स्कन्धेषु (skandheṣu) - on the slopes (of the mountain) (on the shoulders, on the slopes, on the trunks)

• किन्नरीगीतद्विगुणभ्रमरस्वनम् (kinnarīgītadviguṇabhramarasvanam) - with the humming of bees twice the volume of the Kinnarīs' songs

• दोलालोलाप्सरोलोकद्विगुणीकृतपल्लवम् (dolālolāpsarolokadviguṇīkṛtapallavam) - with foliage/sprouts made twice as abundant by the groups of Apsarases swinging playfully

Words meanings and morphology

स्कन्धेषु (skandheṣu) - on the slopes (of the mountain) (on the shoulders, on the slopes, on the trunks)

(noun)

Locative, masculine, plural of skandha

skandha - shoulder, trunk (of a tree), mass, part, slope of a mountain

किन्नरीगीतद्विगुणभ्रमरस्वनम् (kinnarīgītadviguṇabhramarasvanam) - with the humming of bees twice the volume of the Kinnarīs' songs

(adjective)

Accusative, neuter, singular of kinnarīgītadviguṇabhramarasvana

kinnarīgītadviguṇabhramarasvana - with the humming of bees twice the volume of the Kinnarīs' songs

Compound type : bahuvrīhi (kinnarīgīta+dviguṇa+bhramarasvana)

• kinnarī – female Kinnara (a mythical celestial musician)
  noun (feminine)
• gīta – song, singing
  noun (neuter)
  Past Passive Participle
  derived from root √gā (to sing)
  Root: gā (class 3)
• dviguṇa – twofold, double, twice as much
  adjective
• bhramarasvana – humming of bees
  noun (masculine)

Note: Describes the implied mountain/peak.

दोलालोलाप्सरोलोकद्विगुणीकृतपल्लवम् (dolālolāpsarolokadviguṇīkṛtapallavam) - with foliage/sprouts made twice as abundant by the groups of Apsarases swinging playfully

(adjective)

Accusative, neuter, singular of dolālolāpsarolokadviguṇīkṛtapallava

dolālolāpsarolokadviguṇīkṛtapallava - with foliage/sprouts made twice as abundant by the groups of Apsarases swinging playfully

Compound type : bahuvrīhi (dolālola+apsaroloka+dviguṇīkṛta+pallava)

• dolālola – swaying playfully on swings, swinging to and fro
  adjective
• apsaroloka – host/group of Apsarases
  noun (masculine)
• dviguṇīkṛta – made twofold, doubled
  adjective
  Past Passive Participle
  derived from dviguṇī-kṛ (to make twofold)
  Prefix: dviguṇī
  Root: kṛ (class 8)
• pallava – sprout, young leaf, foliage
  noun (masculine)

Note: Describes the implied mountain/peak.