योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-55, verse-13

कश्चिन्महापातकवान्वत्सरं स्मृतिमूर्च्छनम् ।
विमूढोऽनुभवत्यन्तः पाषाणहृदयोपमः ॥ १३ ॥

kaścinmahāpātakavānvatsaraṃ smṛtimūrcchanam ,
vimūḍho'nubhavatyantaḥ pāṣāṇahṛdayopamaḥ 13

13. kaścit mahāpātakavān vatsaram smṛtimūrcchanam
vimūḍhaḥ anubhavati antaḥ pāṣāṇahṛdayopamaḥ

13. kaścit mahāpātakavān vimūḍhaḥ pāṣāṇahṛdayopamaḥ antaḥ vatsaram smṛtimūrcchanam anubhavati.

13. Someone who has committed a great sin, utterly bewildered and stone-hearted, experiences inwardly for a year a profound mental stupor.

Words meanings summery:

• कश्चित् (kaścit) - someone, a certain person

• महापातकवान् (mahāpātakavān) - one who has committed a great sin (a great sinner, possessing a great sin)

• वत्सरम् (vatsaram) - for the duration of a year (year, for a year)

• स्मृतिमूर्च्छनम् (smṛtimūrcchanam) - a profound mental stupor (fainting of memory, stupor of memory, mental unconsciousness)

• विमूढः (vimūḍhaḥ) - utterly bewildered (greatly bewildered, deluded, confused, stupefied)

• अनुभवति (anubhavati) - experiences, feels, perceives, undergoes

• अन्तः (antaḥ) - within themselves (inside, within, inwardly)

• पाषाणहृदयोपमः (pāṣāṇahṛdayopamaḥ) - with a heart like stone (like a heart of stone, stone-hearted)

Words meanings and morphology

कश्चित् (kaścit) - someone, a certain person

(pronoun)

Nominative, masculine, singular of ka-cit

ka-cit - some, someone, a certain (indefinite pronoun)

महापातकवान् (mahāpātakavān) - one who has committed a great sin (a great sinner, possessing a great sin)

(adjective)

Nominative, masculine, singular of mahāpātakavat

mahāpātakavat - possessing a great sin, a great sinner

Derived from `mahāpātaka` with possessive suffix `-vat`

वत्सरम् (vatsaram) - for the duration of a year (year, for a year)

(noun)

Accusative, neuter, singular of vatsara

vatsara - year

Note: Accusative case indicates duration ('for a year').

स्मृतिमूर्च्छनम् (smṛtimūrcchanam) - a profound mental stupor (fainting of memory, stupor of memory, mental unconsciousness)

(noun)

Accusative, neuter, singular of smṛtimūrcchana

smṛtimūrcchana - fainting of memory, stupor of memory, mental unconsciousness

Tatpurusha compound: 'stupefaction/fainting of memory'

Compound type : tatpurusha (smṛti+mūrcchana)

• smṛti – memory, recollection
  noun (feminine)
  Root: √smṛ (class 1)
• mūrcchana – fainting, stupor, loss of consciousness, solidification
  noun (neuter)
  From root √mūrcch (to faint, to thicken)
  Root: √mūrcch (class 1)

Note: Used as the object of experience or as an adverbial accusative describing the state.

विमूढः (vimūḍhaḥ) - utterly bewildered (greatly bewildered, deluded, confused, stupefied)

(adjective)

Nominative, masculine, singular of vimūḍha

vimūḍha - greatly bewildered, deluded, confused, stupefied

Past Passive Participle

Past Passive Participle of `√muh` with prefix `vi-`

Compound type : prādi-samāsa (vi+mūḍha)

• vi – apart, asunder, intensely, greatly (prefix)
  indeclinable (prefix)
• mūḍha – bewildered, deluded, confused, foolish
  adjective
  Past Passive Participle
  Past Passive Participle of `√muh`
  Root: √muh (class 4)

Note: Modifies the implicit subject ('kaścit').

अनुभवति (anubhavati) - experiences, feels, perceives, undergoes

(verb)

3rd person , singular, active, present (lat) of anubhū

Present Tense

Present active 3rd person singular

Prefix: anu

Root: √bhū (class 1)

अन्तः (antaḥ) - within themselves (inside, within, inwardly)

(indeclinable)

पाषाणहृदयोपमः (pāṣāṇahṛdayopamaḥ) - with a heart like stone (like a heart of stone, stone-hearted)

(adjective)

Nominative, masculine, singular of pāṣāṇahṛdayopama

pāṣāṇahṛdayopama - like a heart of stone, stone-hearted

Bahuvrīhi compound: 'one whose comparison is a heart of stone'

Compound type : bahuvrīhi (pāṣāṇahṛdaya+upama)

• pāṣāṇahṛdaya – heart of stone
  noun (neuter)
  Tatpurusha compound: 'heart made of stone'
• upama – likeness, comparison, resembling, like
  adjective

Note: Modifies the implicit subject ('kaścit').