योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-48, verse-15

समुल्लङ्घ्य नदीशैलमण्डलारण्यसंततिम् ।
आससाद तुषाराद्रिरत्नं किल जनास्पदम् ॥ १५ ॥

samullaṅghya nadīśailamaṇḍalāraṇyasaṃtatim ,
āsasāda tuṣārādriratnaṃ kila janāspadam 15

15. samullaṅghya nadīśailamaṇḍalāraṇyasaṃtatim
āsasāda tuṣārādriratnam kila janāspadam

15. samullaṅghya nadīśailamaṇḍalāraṇyasaṃtatim,
kila janāspadam tuṣārādriratnam āsasāda.

15. Having crossed the continuous expanse of rivers, mountain ranges, regions, and forests, he indeed reached the Himālayas (tuṣārādriratnam), a jewel among mountains and a dwelling place for people.

Words meanings summery:

• समुल्लङ्घ्य (samullaṅghya) - having fully leaped over, having traversed, having overcome

• नदीशैलमण्डलारण्यसंततिम् (nadīśailamaṇḍalāraṇyasaṁtatim) - the continuous expanse of rivers, mountains, regions, and forests

• आससाद (āsasāda) - reached, approached, attained

• तुषाराद्रिरत्नम् (tuṣārādriratnam) - Refers to the Himālaya mountain range. (jewel of snowy mountains, the excellent snowy mountain)

• किल (kila) - Emphasizes the certainty or well-known nature of reaching the Himālayas. (indeed, verily, it is said)

• जनास्पदम् (janāspadam) - a dwelling place for people, inhabited by people

Words meanings and morphology

समुल्लङ्घ्य (samullaṅghya) - having fully leaped over, having traversed, having overcome

(indeclinable)

absolutive/gerund

Formed with upasargas sam- and ut- and suffix -ya

Prefixes: sam+ut

Root: laṅgh (class 1)

नदीशैलमण्डलारण्यसंततिम् (nadīśailamaṇḍalāraṇyasaṁtatim) - the continuous expanse of rivers, mountains, regions, and forests

(noun)

Accusative, feminine, singular of nadīśailamaṇḍalāraṇyasaṃtati

nadīśailamaṇḍalāraṇyasaṁtati - expanse of rivers, mountains, regions, and forests

Compound type : dvandva / tatpuruṣa (nadī+śaila+maṇḍala+araṇya+saṃtati)

• nadī – river
  noun (feminine)
• śaila – mountain, rock
  noun (masculine)
• maṇḍala – region, circle, sphere
  noun (neuter)
• araṇya – forest, wilderness
  noun (neuter)
• saṃtati – continuation, expanse, series, succession
  noun (feminine)
  Prefix: sam
  Root: tan (class 8)

Note: Object of samullaṅghya.

आससाद (āsasāda) - reached, approached, attained

(verb)

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

Root sad with upasarga ā

Prefix: ā

Root: sad (class 1)

तुषाराद्रिरत्नम् (tuṣārādriratnam) - Refers to the Himālaya mountain range. (jewel of snowy mountains, the excellent snowy mountain)

(noun)

Accusative, neuter, singular of tuṣārādriratna

tuṣārādriratna - jewel of snowy mountains

Compound type : tatpuruṣa (tuṣārādri+ratna)

• tuṣārādri – snowy mountain
  noun (masculine)
• ratna – gem, jewel, best of its kind
  noun (neuter)

Note: Object of āsasāda.

किल (kila) - Emphasizes the certainty or well-known nature of reaching the Himālayas. (indeed, verily, it is said)

(indeclinable)

Note: Particle.

जनास्पदम् (janāspadam) - a dwelling place for people, inhabited by people

(noun)

Accusative, neuter, singular of janāspada

janāspada - dwelling place of men, inhabited place

Compound type : tatpuruṣa (jana+āspada)

• jana – person, man, people
  noun (masculine)
• āspada – seat, place, dwelling, residence
  noun (neuter)
  Prefix: ā
  Root: pad (class 4)

Note: Adjective to tuṣārādriratnam, hence also in accusative.