योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-24, verse-15

पारिजातलतालोलविमानगणकेतनम् ।
अतो मञ्जरिकाकारमिव वैदूर्यभूतलम् ॥ १५ ॥

pārijātalatālolavimānagaṇaketanam ,
ato mañjarikākāramiva vaidūryabhūtalam 15

15. pārijātalatālola-vimānagaṇaketanam ataḥ
mañjarikākāram iva vaidūryabhūtalam

15. pārijātalatālola-vimānagaṇaketanam ataḥ
vaidūryabhūtalam mañjarikākāram iva

15. Its distinguishing feature is a multitude of aerial chariots swaying among pārijāta creepers. Then, its lapis lazuli ground appears like a cluster of blossoms.

Words meanings summery:

• पारिजातलतालोल-विमानगणकेतनम् (pārijātalatālola-vimānagaṇaketanam) - The distinguishing feature [of the place being described] is a multitude of aerial chariots, swaying among pārijāta creepers (whose banner is a multitude of aerial chariots swaying with pārijāta creepers; whose abode is a multitude of aerial chariots swaying with pārijāta creepers)

• अतः (ataḥ) - then, indicating a sequence or consequence (hence, therefore, from this, then)

• मञ्जरिकाकारम् (mañjarikākāram) - appearing like a cluster of blossoms (having the form of a cluster of blossoms; panicle-shaped; resembling a flower cluster)

• इव (iva) - as if (like, as if, as it were, almost)

• वैदूर्यभूतलम् (vaidūryabhūtalam) - its ground made of lapis lazuli (ground of lapis lazuli; ground made of cat's eye gems; beryl ground)

Words meanings and morphology

पारिजातलतालोल-विमानगणकेतनम् (pārijātalatālola-vimānagaṇaketanam) - The distinguishing feature [of the place being described] is a multitude of aerial chariots, swaying among pārijāta creepers (whose banner is a multitude of aerial chariots swaying with pārijāta creepers; whose abode is a multitude of aerial chariots swaying with pārijāta creepers)

(adjective)

Accusative, neuter, singular of pārijātalatālola-vimānagaṇaketana

pārijātalatālola-vimānagaṇaketana - characterized by banners of numerous aerial chariots swaying with pārijāta creepers

Compound type : Bahuvrīhi (pārijāta+latā+lola+vimāna+gaṇa+ketana)

• pārijāta – celestial coral tree (a mythical tree in Indra's heaven)
  noun (neuter)
• latā – creeper, vine
  noun (feminine)
• lola – swaying, trembling, moving, restless
  adjective (masculine)
• vimāna – celestial car, aerial chariot, palace
  noun (neuter)
• gaṇa – multitude, host, group, troop
  noun (masculine)
• ketana – banner, flag, sign, distinguishing mark, abode
  noun (neuter)

Note: Accusative singular neuter, likely modifying an implied noun like 'sthānam' (place) or 'nagaram' (city).

अतः (ataḥ) - then, indicating a sequence or consequence (hence, therefore, from this, then)

(indeclinable)

मञ्जरिकाकारम् (mañjarikākāram) - appearing like a cluster of blossoms (having the form of a cluster of blossoms; panicle-shaped; resembling a flower cluster)

(adjective)

Accusative, neuter, singular of mañjarikākāra

mañjarikākāra - having the form of a cluster of blossoms; panicle-shaped

Compound type : Tatpuruṣa (mañjarikā+ākāra)

• mañjarikā – cluster of blossoms, flower panicle, spray
  noun (feminine)
• ākāra – form, shape, appearance, figure
  noun (masculine)

Note: Accusative singular neuter, modifying 'vaidūryabhūtalam'.

इव (iva) - as if (like, as if, as it were, almost)

(indeclinable)

वैदूर्यभूतलम् (vaidūryabhūtalam) - its ground made of lapis lazuli (ground of lapis lazuli; ground made of cat's eye gems; beryl ground)

(noun)

Accusative, neuter, singular of vaidūryabhūtala

vaidūryabhūtala - ground made of lapis lazuli/cat's eye gems

Compound type : Tatpuruṣa (vaidūrya+bhūtala)

• vaidūrya – cat's eye gem, lapis lazuli, beryl
  noun (neuter)
• bhūtala – ground, surface of the earth, plane
  noun (neuter)

Note: Accusative singular neuter, likely the object being described or understood as a predicate.