योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-41, verse-18

कर्मबुद्धीन्द्रियाद्यन्तसुखदुःखादिसंक्षये ।
शिव आत्मेति कथितस्तत्सदित्यादिनामभिः ॥ १८ ॥

karmabuddhīndriyādyantasukhaduḥkhādisaṃkṣaye ,
śiva ātmeti kathitastatsadityādināmabhiḥ 18

18. karmabuddhīndriyādyantasukhaduḥkhādisaṃkṣaye
śivaḥ ātmā iti kathitaḥ tatsadityādināmabhiḥ

18. karmabuddhīndriyādyantasukhaduḥkhādisaṃkṣaye
śivaḥ ātmā iti tatsadityādināmabhiḥ kathitaḥ

18. Upon the complete dissolution of action (karma), intellect (buddhi), senses (indriya), beginning, end, happiness, suffering, and similar aspects, the self (ātman) is declared to be Śiva by names such as 'That Existent (Tat Sat)'.

Words meanings summery:

• कर्मबुद्धीन्द्रियाद्यन्तसुखदुःखादिसंक्षये (karmabuddhīndriyādyantasukhaduḥkhādisaṁkṣaye) - in the complete dissolution of action, intellect, senses, beginning, end, happiness, suffering, etc.

• शिवः (śivaḥ) - auspicious, benevolent; Lord Shiva

• आत्मा (ātmā) - the self (ātman), soul

• इति (iti) - thus, in this manner (marker for quoted speech or thought)

• कथितः (kathitaḥ) - declared, said, narrated

• तत्सदित्यादिनामभिः (tatsadityādināmabhiḥ) - by names such as "Tat Sat"

Words meanings and morphology

कर्मबुद्धीन्द्रियाद्यन्तसुखदुःखादिसंक्षये (karmabuddhīndriyādyantasukhaduḥkhādisaṁkṣaye) - in the complete dissolution of action, intellect, senses, beginning, end, happiness, suffering, etc.

(noun)

Locative, masculine, singular of karmabuddhīndriyādyantasukhaduḥkhādisaṃkṣaya

karmabuddhīndriyādyantasukhaduḥkhādisaṁkṣaya - complete dissolution of action, intellect, senses, beginning, end, happiness, suffering, etc.

Compound type : dvandva-ṣaṣṭhī-tatpuruṣa (karma+buddhi+indriya+ādi+anta+sukha+duḥkha+ādi+saṃkṣaya)

• karma – action, deed, ritual, karma
  noun (neuter)
  Root: kṛ (class 8)
• buddhi – intellect, understanding, buddhi
  noun (feminine)
  Root: budh (class 1)
• indriya – sense organ, faculty, indriya
  noun (neuter)
• ādi – beginning, starting with, and so on
  indeclinable
• anta – end, limit, conclusion
  noun (masculine)
• sukha – happiness, pleasure, ease
  noun (neuter)
• duḥkha – suffering, pain, sorrow
  noun (neuter)
• ādi – beginning, starting with, and so on
  indeclinable
• saṃkṣaya – complete destruction, dissolution, decrease
  noun (masculine)
  Prefix: sam
  Root: kṣi (class 1)

शिवः (śivaḥ) - auspicious, benevolent; Lord Shiva

(proper noun)

Nominative, masculine, singular of śiva

śiva - auspicious, benevolent; the deity Shiva

आत्मा (ātmā) - the self (ātman), soul

(noun)

Nominative, masculine, singular of ātman

ātman - self, soul, spirit, ātman

इति (iti) - thus, in this manner (marker for quoted speech or thought)

(indeclinable)

कथितः (kathitaḥ) - declared, said, narrated

(adjective)

Nominative, masculine, singular of kathita

kathita - said, spoken, told, declared

Past Passive Participle

Root: kath (class 10)

तत्सदित्यादिनामभिः (tatsadityādināmabhiḥ) - by names such as "Tat Sat"

(noun)

Instrumental, neuter, plural of tatsadityādināman

tatsadityādināman - names like "Tat Sat"

Compound type : bahuvrīhi (tad+sat+iti+ādi+nāman)

• tad – that, it
  pronoun (neuter)
• sat – existent, real, true, good, being, sat
  adjective (neuter)
  Present Active Participle
  Root: as (class 2)
• iti – thus, in this manner, so, iti
  indeclinable
• ādi – beginning, starting with, and so on
  indeclinable
• nāman – name
  noun (neuter)