योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-126, verse-15

द्वीपसप्तकमुल्लङ्घ्य समहार्णवसप्तकम् ।
विपश्चित्पश्चिमः प्राप घनभूमौ जनार्दनम् ॥ १५ ॥

dvīpasaptakamullaṅghya samahārṇavasaptakam ,
vipaścitpaścimaḥ prāpa ghanabhūmau janārdanam 15

15. dvīpasaptakam ullaṅghya samahārṇavasaptakam
vipaścit paścimaḥ prāpa ghanabhūmau janārdanam

15. paścimaḥ vipaścit dvīpasaptakam samahārṇavasaptakam
ullaṅghya ghanabhūmau janārdanam prāpa

15. A wise man from the west, having crossed the seven continents and the seven great oceans, reached Janardana in a dense land.

Words meanings summery:

• द्वीपसप्तकम् (dvīpasaptakam) - the seven islands, the seven continents

• उल्लङ्घ्य (ullaṅghya) - having crossed, having surpassed

• समहार्णवसप्तकम् (samahārṇavasaptakam) - along with the seven great oceans

• विपश्चित् (vipaścit) - wise man, sage, learned person

• पश्चिमः (paścimaḥ) - from the west, the ultimate (wise man) (western, ultimate, last)

• प्राप (prāpa) - he reached, he obtained

• घनभूमौ (ghanabhūmau) - in the dense land, on the solid earth

• जनार्दनम् (janārdanam) - Janardana (a name of Viṣṇu/Kṛṣṇa)

Words meanings and morphology

द्वीपसप्तकम् (dvīpasaptakam) - the seven islands, the seven continents

(noun)

Accusative, neuter, singular of dvīpasaptaka

dvīpasaptaka - group of seven islands/continents

Compound type : dvigu (dvīpa+saptaka)

• dvīpa – island, continent
  noun (masculine)
• saptaka – group of seven
  noun (neuter)

उल्लङ्घ्य (ullaṅghya) - having crossed, having surpassed

(indeclinable)

Absolutive

Derived from root laṅgh with prefix ud (ullaṅgh)

Prefix: ud

Root: laṅgh (class 1)

समहार्णवसप्तकम् (samahārṇavasaptakam) - along with the seven great oceans

(noun)

Accusative, neuter, singular of samahārṇavasaptaka

samahārṇavasaptaka - accompanied by the seven great oceans

Compound type : bahuvrīhi (sa+mahārṇavasaptaka)

• sa – with, accompanied by
  indeclinable
• mahārṇavasaptaka – group of seven great oceans
  noun (neuter)

विपश्चित् (vipaścit) - wise man, sage, learned person

(noun)

Nominative, masculine, singular of vipaścit

vipaścit - wise, learned, a sage, a scholar

पश्चिमः (paścimaḥ) - from the west, the ultimate (wise man) (western, ultimate, last)

(adjective)

Nominative, masculine, singular of paścima

paścima - western, hindmost, last, ultimate

Superlative suffix -ima added to paścā (after)

प्राप (prāpa) - he reached, he obtained

(verb)

3rd person , singular, active, perfect (liṭ) of āp

Prefix: pra

Root: āp (class 5)

घनभूमौ (ghanabhūmau) - in the dense land, on the solid earth

(noun)

Locative, feminine, singular of ghanabhūmi

ghanabhūmi - dense land, solid ground

Compound type : karmadhāraya (ghana+bhūmi)

• ghana – dense, thick, solid, compact
  adjective
• bhūmi – earth, ground, land, soil
  noun (feminine)

जनार्दनम् (janārdanam) - Janardana (a name of Viṣṇu/Kṛṣṇa)

(proper noun)

Accusative, masculine, singular of janārdana

janārdana - Janardana (one who agitates or punishes people, a name for Viṣṇu or Kṛṣṇa)

Root: ṛd (class 1)