योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-120, verse-16

मन्दारमञ्जरीपुञ्जपिञ्जराम्भोदमन्दिरे ।
महेन्द्रमस्तके मत्ताः सुप्ता गन्धर्वकामिनः ॥ १६ ॥

mandāramañjarīpuñjapiñjarāmbhodamandire ,
mahendramastake mattāḥ suptā gandharvakāminaḥ 16

16. mandāra-mañjarī-puñja-piñjara-ambhoda-mandire
mahendra-mastake mattāḥ suptāḥ gandharva-kāminaḥ

16. mandāra-mañjarī-puñja-piñjara-ambhoda-mandire
mahendra-mastake mattāḥ suptāḥ gandharva-kāminaḥ

16. On the summit of Mount Mahendra, in a cloud-dwelling made reddish-yellow by clusters of mandāra blossoms, the intoxicated and sleeping amorous celestial musicians (Gandharvas) reside.

Words meanings summery:

• मन्दार-मञ्जरी-पुञ्ज-पिञ्जर-अम्भोद-मन्दिरे (mandāra-mañjarī-puñja-piñjara-ambhoda-mandire) - in a cloud-dwelling tawny/reddish-yellow due to clusters of mandāra blossoms

• महेन्द्र-मस्तके (mahendra-mastake) - on the summit of Mahendra (mountain)

• मत्ताः (mattāḥ) - intoxicated (perhaps with wine or joy) (intoxicated, delighted, excited, lustful)

• सुप्ताः (suptāḥ) - asleep, sleeping, dormant

• गन्धर्व-कामिनः (gandharva-kāminaḥ) - celestial musicians who are enamored/in love (possibly with their consorts) (amorous Gandharvas, desirous celestial musicians)

Words meanings and morphology

मन्दार-मञ्जरी-पुञ्ज-पिञ्जर-अम्भोद-मन्दिरे (mandāra-mañjarī-puñja-piñjara-ambhoda-mandire) - in a cloud-dwelling tawny/reddish-yellow due to clusters of mandāra blossoms

(noun)

Locative, neuter, singular of mandāra-mañjarī-puñja-piñjara-ambhoda-mandira

mandāra-mañjarī-puñja-piñjara-ambhoda-mandira - a dwelling of clouds which are tinged reddish-yellow by heaps of mandāra flowers

Tatpuruṣa compound.

Compound type : tatpuruṣa (mandāra-mañjarī-puñja-piñjara-ambhoda+mandira)

• mandāra – mandāra tree (one of the five celestial trees), coral tree
  noun (masculine)
• mañjarī – cluster of blossoms, flower-stalk, sprout
  noun (feminine)
• puñja – heap, mass, cluster, collection
  noun (masculine)
• piñjara – reddish-yellow, tawny, orange
  adjective
• ambhoda – cloud (lit. water-giver)
  noun (masculine)
  Compound of 'ambu' (water) and 'da' (giver).
• mandira – dwelling, house, temple, abode
  noun (neuter)

Note: Describes the location of the sleeping Gandharvas.

महेन्द्र-मस्तके (mahendra-mastake) - on the summit of Mahendra (mountain)

(noun)

Locative, neuter, singular of mahendra-mastaka

mahendra-mastaka - the head or summit of Mahendra (mountain)

Tatpuruṣa compound.

Compound type : tatpuruṣa (mahendra+mastaka)

• mahendra – Great Indra, a great mountain (e.g., Mahendragiri)
  proper noun (masculine)
  Compound of 'maha' (great) and 'indra' (Indra).
• mastaka – head, skull, summit, top
  noun (neuter)

Note: Describes the location of the sleeping Gandharvas.

मत्ताः (mattāḥ) - intoxicated (perhaps with wine or joy) (intoxicated, delighted, excited, lustful)

(adjective)

Nominative, masculine, plural of matta

matta - intoxicated, drunk, frantic, delighted, lustful, proud

Past Passive Participle

From root 'mad' (to be intoxicated, delight). '√mad + kta'.

Root: mad (class 4)

सुप्ताः (suptāḥ) - asleep, sleeping, dormant

(adjective)

Nominative, masculine, plural of supta

supta - asleep, sleeping, dormant, unconscious

Past Passive Participle

From root 'svap' (to sleep). '√svap + kta'.

Root: svap (class 2)

गन्धर्व-कामिनः (gandharva-kāminaḥ) - celestial musicians who are enamored/in love (possibly with their consorts) (amorous Gandharvas, desirous celestial musicians)

(noun)

Nominative, masculine, plural of gandharva-kāmin

gandharva-kāmin - a Gandharva who is desirous, amorous, or in love

Tatpuruṣa compound or descriptive compound.

Compound type : karmadhāraya (gandharva+kāmin)

• gandharva – celestial musician, demi-god
  noun (masculine)
• kāmin – desirous, amorous, passionate, lover
  adjective (masculine)
  Derived from 'kāma' (desire) with suffix 'in'.
  Root: kam (class 1)

Note: The subject of 'mattāḥ' and 'suptāḥ'.