योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-31, verse-9

तत्र लोकान्तराण्यद्रीनन्तरिक्षमतीत्य ते ।
प्रापतुर्भूतलं शैलमण्डलाम्भोधिसंकुलम् ॥ ९ ॥

tatra lokāntarāṇyadrīnantarikṣamatītya te ,
prāpaturbhūtalaṃ śailamaṇḍalāmbhodhisaṃkulam 9

9. tatra lokāntarāṇi adrīn antarikṣam atītya te
prāpatuḥ bhūtalam śailamaṇḍalāmbhodhisaṅkulam

9. tatra te lokāntarāṇi adrīn antarikṣam atītya
śailamaṇḍalāmbhodhisaṅkulam bhūtalam prāpatuḥ

9. Having crossed other worlds, mountains, and the sky there, the two of them reached the earth's surface, which was crowded with mountain ranges and oceans.

Words meanings summery:

• तत्र (tatra) - there, then

• लोकान्तराणि (lokāntarāṇi) - other worlds, other regions

• अद्रीन् (adrīn) - mountains

• अन्तरिक्षम् (antarikṣam) - sky, atmosphere

• अतीत्य (atītya) - having crossed, having surpassed

• ते (te) - they (two)

• प्रापतुः (prāpatuḥ) - they two reached, they two obtained

• भूतलम् (bhūtalam) - earth's surface, ground

• शैलमण्डलाम्भोधिसङ्कुलम् (śailamaṇḍalāmbhodhisaṅkulam) - crowded with mountain ranges and oceans

Words meanings and morphology

तत्र (tatra) - there, then

(indeclinable)

Derived from 'tad' (that).

लोकान्तराणि (lokāntarāṇi) - other worlds, other regions

(noun)

Accusative, neuter, plural of lokāntara

lokāntara - other world, different region

Compound type : tatpuruṣa (loka+antara)

• loka – world, realm, people
  noun (masculine)
• antara – other, different, intermediate space
  noun (neuter)

अद्रीन् (adrīn) - mountains

(noun)

Accusative, masculine, plural of adri

adri - mountain, hill

अन्तरिक्षम् (antarikṣam) - sky, atmosphere

(noun)

Accusative, neuter, singular of antarikṣa

antarikṣa - atmosphere, sky, intermediate space

अतीत्य (atītya) - having crossed, having surpassed

(indeclinable)

absolutive/gerund

Derived from root 'i' (to go) with prefix 'ati'.

Prefix: ati

Root: i (class 2)

ते (te) - they (two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

प्रापतुः (prāpatuḥ) - they two reached, they two obtained

(verb)

3rd person , dual, active, perfect (lit) of prāp

Root 'āp' with prefix 'pra'.

Prefix: pra

Root: āp (class 5)

भूतलम् (bhūtalam) - earth's surface, ground

(noun)

Accusative, neuter, singular of bhūtala

bhūtala - earth's surface, ground

Compound type : tatpuruṣa (bhū+tala)

• bhū – earth, land
  noun (feminine)
• tala – surface, flat ground, palm, sole
  noun (neuter)

शैलमण्डलाम्भोधिसङ्कुलम् (śailamaṇḍalāmbhodhisaṅkulam) - crowded with mountain ranges and oceans

(adjective)

Accusative, neuter, singular of śailamaṇḍalāmbhodhisaṅkula

śailamaṇḍalāmbhodhisaṅkula - crowded with mountain ranges and oceans

Compound type : tatpuruṣa (śailamaṇḍalāmbhodhi+saṅkula)

• śailamaṇḍalāmbhodhi – mountain ranges and oceans
  noun (masculine)
• saṅkula – crowded, filled, thronged
  adjective (neuter)
  Past Passive Participle-like
  Derived from root 'kul' (to gather) with prefix 'sam'.
  Prefix: sam
  Root: kul (class 1)

Note: Modifies 'bhūtalam'.