योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-73, verse-58

दध्यम्भोराशिरशनासान्ताम्बरपुरोदरम् ।
शाकद्वीपोर्वराकारं सान्तस्थविषयान्तरम् ॥ ५८ ॥

dadhyambhorāśiraśanāsāntāmbarapurodaram ,
śākadvīporvarākāraṃ sāntasthaviṣayāntaram 58

58. dadhyambhorāśiraśanāsāntāmbarapurōdaram
śākadvīporvarākāram sāntasthaviṣayāntaram

58. śākadvīporvarākāram dadhyambhorāśiraśanāsāntāmbarapurōdaram
sāntasthaviṣayāntaram

58. Shakadvipa (śākadvīpa), a fertile land, is shaped like a region adorned with the ocean of curds (dadhyambhorāśi) as its girdle, whose boundaries seem to touch the sky, and whose interior is like a city. It also contains other distinct internal regions.

Words meanings summery:

• दध्यम्भोराशिरशनासान्ताम्बरपुर्ओदरम् (dadhyambhorāśiraśanāsāntāmbarapurōdaram) - adorned with the ocean of curds (dadhyambhorāśi) as its girdle, whose boundaries seem to touch the sky, and whose interior is like a city (having the ocean of curds as a girdle, whose boundary reaches the sky, and whose interior is like a city)

• शाकद्वीपोर्वराकारम् (śākadvīporvarākāram) - Shakadvipa (śākadvīpa), a fertile land, is shaped like a region (having the form of the fertile land of Shakadvipa island)

• सान्तस्थविषयान्तरम् (sāntasthaviṣayāntaram) - contains other distinct internal regions (with other regions situated within it)

Words meanings and morphology

दध्यम्भोराशिरशनासान्ताम्बरपुर्ओदरम् (dadhyambhorāśiraśanāsāntāmbarapurōdaram) - adorned with the ocean of curds (dadhyambhorāśi) as its girdle, whose boundaries seem to touch the sky, and whose interior is like a city (having the ocean of curds as a girdle, whose boundary reaches the sky, and whose interior is like a city)

(adjective)

Accusative, neuter, singular of dadhyambhorāśiraśanāsāntāmbarapurōdara

dadhyambhorāśiraśanāsāntāmbarapurōdara - that which has the ocean of curds as a girdle, its boundary reaching the sky, and its interior resembling a city

Compound type : bahuvrihi (dadhyambhorāśi+raśanā+sāntāmbara+purōdara)

• dadhyambhorāśi – ocean of curds (a mythological ocean)
  noun (masculine)
• raśanā – girdle, belt, rope
  noun (feminine)
• sāntāmbara – whose boundary is the sky
  adjective (neuter)
• purōdara – whose interior is like a city
  adjective (neuter)

Note: Adjective modifying 'śākadvīporvarākāram'.

शाकद्वीपोर्वराकारम् (śākadvīporvarākāram) - Shakadvipa (śākadvīpa), a fertile land, is shaped like a region (having the form of the fertile land of Shakadvipa island)

(noun)

Accusative, neuter, singular of śākadvīporvarākāra

śākadvīporvarākāra - the form of the fertile land of Shakadvipa island

Compound type : tatpuruṣa (śākadvīpa+urvarā+ākāra)

• śākadvīpa – Shakadvipa island (a mythological island)
  proper noun (masculine)
• urvarā – fertile land, rich soil
  noun (feminine)
• ākāra – form, shape, appearance
  noun (masculine)

Note: The main noun being described in this verse, in the accusative case.

सान्तस्थविषयान्तरम् (sāntasthaviṣayāntaram) - contains other distinct internal regions (with other regions situated within it)

(adjective)

Accusative, neuter, singular of sāntasthaviṣayāntara

sāntasthaviṣayāntara - that which has other regions situated within it

Compound type : bahuvrihi (sa+antasttha+viṣayāntara)

• sa – with, together with
  indeclinable
• antasttha – situated within, internal
  adjective (neuter)
• viṣayāntara – other regions, different territories
  noun (neuter)

Note: Adjective modifying 'śākadvīporvarākāram'.