योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-30, verse-15

इष्टानिष्टोपलम्भेषु शान्तो व्यवहरन्नपि ।
शववन्नान्यतामन्तर्निर्वाणोऽनुभवत्यलम् ॥ १५ ॥

iṣṭāniṣṭopalambheṣu śānto vyavaharannapi ,
śavavannānyatāmantarnirvāṇo'nubhavatyalam 15

15. iṣṭāniṣṭopalambheṣu śāntaḥ vyavaharan api
śavavat na ānyatām antar nirvāṇaḥ anubhavati alam

15. śāntaḥ nirvāṇaḥ iṣṭāniṣṭopalambheṣu vyavaharan
api śavavat antar ānyatām na alam anubhavati

15. Even while engaging with experiences, whether desired or undesired, a tranquil person, having attained final liberation (nirvāṇa), fully perceives no inner sense of otherness, remaining unresponsive like a corpse.

Words meanings summery:

• इष्टानिष्टोपलम्भेषु (iṣṭāniṣṭopalambheṣu) - in the perceptions or experiences of desired and undesired things

• शान्तः (śāntaḥ) - a tranquil person, peaceful, calm

• व्यवहरन् (vyavaharan) - engaging, acting, transacting

• अपि (api) - even, also

• शववत् (śavavat) - like a corpse

• न (na) - not

• आन्यताम् (ānyatām) - otherness, distinctness, difference

• अन्तर् (antar) - internally, within, inside

• निर्वाणः (nirvāṇaḥ) - one who has attained final liberation

• अनुभवति (anubhavati) - experiences, perceives, feels

• अलम् (alam) - sufficiently, truly, completely

Words meanings and morphology

इष्टानिष्टोपलम्भेषु (iṣṭāniṣṭopalambheṣu) - in the perceptions or experiences of desired and undesired things

(noun)

Locative, masculine, plural of iṣṭāniṣṭopalambha

iṣṭāniṣṭopalambha - perception/experience of desired and undesired things

Compound type : dvandva-tatpuruṣa (iṣṭa+aniṣṭa+upalambha)

• iṣṭa – desired, wished for, liked
  adjective (neuter)
  Past Passive Participle
  From root 'iṣ' (to wish, desire)
  Root: iṣ (class 4)
• aniṣṭa – undesired, unwished for, bad, evil
  adjective (neuter)
  Past Passive Participle
  Negation 'a-' of 'iṣṭa'
  Root: iṣ (class 4)
• upalambha – perception, apprehension, acquisition, obtaining
  noun (masculine)
  From root 'labh' with 'upa'
  Prefix: upa
  Root: labh (class 1)

शान्तः (śāntaḥ) - a tranquil person, peaceful, calm

(adjective)

Nominative, masculine, singular of śānta

śānta - tranquil, calm, peaceful, quieted

Past Passive Participle

From root 'śam' (to be calm, pacified)

Root: śam (class 4)

व्यवहरन् (vyavaharan) - engaging, acting, transacting

(adjective)

Nominative, masculine, singular of vyavaharant

vyavaharant - engaging, dealing, transacting, behaving

Present Active Participle

From root 'hṛ' with prefixes 'vi' and 'ava'

Prefixes: vi+ava

Root: hṛ (class 1)

अपि (api) - even, also

(indeclinable)

शववत् (śavavat) - like a corpse

(indeclinable)

Derived from 'śava' (corpse) with suffix '-vat' (like)

न (na) - not

(indeclinable)

आन्यताम् (ānyatām) - otherness, distinctness, difference

(noun)

Accusative, feminine, singular of ānyatā

ānyatā - otherness, distinctness, difference

Derived from 'anya' (other)

अन्तर् (antar) - internally, within, inside

(indeclinable)

निर्वाणः (nirvāṇaḥ) - one who has attained final liberation

(noun)

Nominative, masculine, singular of nirvāṇa

nirvāṇa - extinction, blowing out; final liberation (nirvāṇa), ultimate bliss

From root 'vā' (to blow) with prefix 'nir'

Prefix: nir

Root: vā (class 2)

अनुभवति (anubhavati) - experiences, perceives, feels

(verb)

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

From root 'bhū' (to be) with prefix 'anu'

Prefix: anu

Root: bhū (class 1)

अलम् (alam) - sufficiently, truly, completely

(indeclinable)