योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-128, verse-17

स्वभ्यस्तपूर्वसंस्कारो विलसन्निश्चयेरितः ।
लोकालोकगिरेर्मूर्घ्नस्तमःश्वभ्रं पपात सः ॥ १७ ॥

svabhyastapūrvasaṃskāro vilasanniścayeritaḥ ,
lokālokagirermūrghnastamaḥśvabhraṃ papāta saḥ 17

17. svabhyastapūrvasaṃskāraḥ vilasan niścayeritaḥ
lokālokagirer mūrdhnaḥ tamaḥśvabhram papāta saḥ

17. saḥ svabhyastapūrvasaṃskāraḥ niścayeritaḥ vilasan
lokālokagirer mūrdhnaḥ tamaḥśvabhram papāta

17. With his past latent impressions (saṃskāras) well-practiced and driven by a shining determination, he fell from the summit of the Lokāloka mountain into a dark abyss.

Words meanings summery:

• स्वभ्यस्तपूर्वसंस्कारः (svabhyastapūrvasaṁskāraḥ) - one whose previous latent impressions (saṃskāras) were well-practiced

• विलसन् (vilasan) - shining, appearing, manifesting

• निश्चयेरितः (niścayeritaḥ) - impelled by determination, driven by certainty

• लोकालोकगिरेर् (lokālokagirer) - of the Lokāloka mountain

• मूर्ध्नः (mūrdhnaḥ) - from the summit, from the head

• तमःश्वभ्रम् (tamaḥśvabhram) - into a dark abyss, into a pit of darkness

• पपात (papāta) - fell down

• सः (saḥ) - he

Words meanings and morphology

स्वभ्यस्तपूर्वसंस्कारः (svabhyastapūrvasaṁskāraḥ) - one whose previous latent impressions (saṃskāras) were well-practiced

(adjective)

Nominative, masculine, singular of svabhyastapūrvasaṃskāra

svabhyastapūrvasaṁskāra - one whose previous latent impressions are well-practiced; one whose past mental imprints are well-habituated

Compound type : Bahuvrīhi (su+abhyasta+pūrva+saṃskāra)

• su – well, good, thoroughly
  indeclinable
• abhyasta – practiced, habituated, acquired
  adjective
  Past Passive Participle
  Formed from 'abhi' + 'as' (to throw, to practice) + 'kta' suffix.
  Prefix: abhi
  Root: as (class 4)
• pūrva – prior, previous, former
  adjective
• saṃskāra – latent impression, mental imprint, purification, refinement, ritual
  noun (masculine)
  Formed from 'sam' + 'kṛ' + 'ghañ'
  Prefix: sam
  Root: kṛ (class 8)

Note: Qualifies 'saḥ' (he).

विलसन् (vilasan) - shining, appearing, manifesting

(adjective)

Nominative, masculine, singular of vilasat

vilasat - shining, appearing, manifesting, sparkling

Present Active Participle

Formed from 'vi' + 'las' (to shine, to sport) + 'śatṛ' suffix.

Prefix: vi

Root: las (class 1)

Note: Qualifies 'niścayeritaḥ'.

निश्चयेरितः (niścayeritaḥ) - impelled by determination, driven by certainty

(adjective)

Nominative, masculine, singular of niścayerita

niścayerita - impelled by determination, driven by certainty

Tatpurusha compound: 'niścaya' (determination) + 'erita' (impelled).

Compound type : Tṛtīyā-Tatpuruṣa (niścaya+erita)

• niścaya – determination, certainty, resolution
  noun (masculine)
  From 'ni' + 'ci' (to gather, perceive) + 'ac' suffix.
  Prefix: ni
  Root: ci (class 5)
• erita – impelled, set in motion, caused to move
  adjective
  Past Passive Participle
  From root 'īr' (to move, impel) or 'īray' (causative of 'īr') + 'kta' suffix.
  Root: īr (class 2)

Note: Qualifies 'saḥ' (he). 'vilasan' is an adjective to 'niścaya'.

लोकालोकगिरेर् (lokālokagirer) - of the Lokāloka mountain

(proper noun)

Genitive, masculine, singular of lokālokagiri

lokālokagiri - Lokāloka mountain (a mythical mountain range separating the visible world from the region of darkness)

Tatpurusha compound: 'loka' (world) + 'aloka' (non-world) + 'giri' (mountain).

Compound type : Karmadhāraya (loka+aloka+giri)

• loka – world, realm, people
  noun (masculine)
• aloka – non-world, unseen, dark region
  noun (masculine)
  'a' (negation) + 'loka'
• giri – mountain, hill
  noun (masculine)
  Root: gṛ (class 6)

Note: Of the Lokāloka mountain.

मूर्ध्नः (mūrdhnaḥ) - from the summit, from the head

(noun)

Ablative, masculine, singular of mūrdhan

mūrdhan - head, summit, top

Note: From the head/summit.

तमःश्वभ्रम् (tamaḥśvabhram) - into a dark abyss, into a pit of darkness

(noun)

Accusative, neuter, singular of tamaḥśvabhra

tamaḥśvabhra - dark abyss, pit of darkness

Tatpurusha compound: 'tamas' (darkness) + 'śvabhra' (abyss).

Compound type : Ṣaṣṭhī-Tatpuruṣa (tamas+śvabhra)

• tamas – darkness, ignorance
  noun (neuter)
  Root: tam (class 4)
• śvabhra – abyss, chasm, pit
  noun (neuter)

Note: Object of falling (destination).

पपात (papāta) - fell down

(verb)

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

Perfect Tense (lit)

Reduplicated root form.

Root: pat (class 1)

Note: Verb for the subject 'saḥ'.

सः (saḥ) - he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Subject of the sentence.