योगवासिष्ठः yogavāsiṣṭhaḥ - book-5, chapter-29, verse-53

इष्टानिष्टदृशोस्त्यागे समतोदेति शाश्वती ।
तया हृदयवर्तिन्या पुनर्जन्तुर्न जायते ॥ ५३ ॥

iṣṭāniṣṭadṛśostyāge samatodeti śāśvatī ,
tayā hṛdayavartinyā punarjanturna jāyate 53

53. iṣṭāniṣṭadṛśoḥ tyāge samatā udeti śāśvatī
tayā hṛdayavartinyā punaḥ jantuḥ na jāyate

53. iṣṭāniṣṭadṛśoḥ tyāge śāśvatī samatā udeti
tayā hṛdayavartinyā jantuḥ punaḥ na jāyate

53. Upon abandoning the perceptions of the desirable and the undesirable, eternal equanimity (samatā) arises. Through that (equanimity) abiding in the heart, a living being (jantu) is not reborn.

Words meanings summery:

• इष्टानिष्टदृशोः (iṣṭāniṣṭadṛśoḥ) - of the perceptions of desirable and undesirable

• त्यागे (tyāge) - in abandonment, upon renunciation

• समता (samatā) - equanimity, impartiality, equality

• उदेति (udeti) - rises, appears, arises

• शाश्वती (śāśvatī) - eternal, perpetual, constant

• तया (tayā) - by that (equanimity) (by her, by that)

• हृदयवर्तिन्या (hṛdayavartinyā) - dwelling in the heart, residing in the heart

• पुनः (punaḥ) - again (reborn) (again, once more, further)

• जन्तुः (jantuḥ) - living being, creature, man

• न (na) - not, no

• जायते (jāyate) - is born, happens, arises

Words meanings and morphology

इष्टानिष्टदृशोः (iṣṭāniṣṭadṛśoḥ) - of the perceptions of desirable and undesirable

(noun)

Locative, feminine, dual of iṣṭāniṣṭadṛś

iṣṭāniṣṭadṛś - perception of desirable and undesirable

Compound type : tatpurusha (iṣṭa+aniṣṭa+dṛś)

• iṣṭa – desired, desirable
  adjective (neuter)
  Past Passive Participle
  from root iṣ
  Root: iṣ (class 4)
• aniṣṭa – undesired, undesirable
  adjective (neuter)
  Prefix: an
  Root: iṣ (class 4)
• dṛś – sight, perception, view
  noun (feminine)
  from root dṛś (to see)
  Root: dṛś (class 1)

Note: Locative dual refers to 'in (the case of) the desirable and undesirable perceptions'.

त्यागे (tyāge) - in abandonment, upon renunciation

(noun)

Locative, masculine, singular of tyāga

tyāga - abandonment, renunciation, giving up

from root tyaj

Root: tyaj (class 1)

समता (samatā) - equanimity, impartiality, equality

(noun)

Nominative, feminine, singular of samatā

samatā - equanimity, impartiality, equality

from sama (equal) + tā (suffix for abstract noun)

उदेति (udeti) - rises, appears, arises

(verb)

3rd person , singular, active, present (laṭ) of ud-i

Prefix: ud

Root: i (class 2)

शाश्वती (śāśvatī) - eternal, perpetual, constant

(adjective)

Nominative, feminine, singular of śāśvata

śāśvata - eternal, perpetual, constant

Note: Qualifies samatā

तया (tayā) - by that (equanimity) (by her, by that)

(pronoun)

Instrumental, feminine, singular of tad

tad - that (pronoun)

Note: Refers to samatā

हृदयवर्तिन्या (hṛdayavartinyā) - dwelling in the heart, residing in the heart

(adjective)

Instrumental, feminine, singular of hṛdayavartin

hṛdayavartin - dwelling in the heart, being in the heart

Compound type : tatpurusha (hṛdaya+vartin)

• hṛdaya – heart, mind, core
  noun (neuter)
• vartin – abiding, dwelling, being present
  adjective (masculine)
  Agent noun / adjective from root vṛt
  from root vṛt (to be, exist, turn)
  Root: vṛt (class 1)

Note: Qualifies tayā (samatā)

पुनः (punaḥ) - again (reborn) (again, once more, further)

(indeclinable)

जन्तुः (jantuḥ) - living being, creature, man

(noun)

Nominative, masculine, singular of jantu

jantu - living being, creature, man

from root jan (to be born)

Root: jan (class 4)

न (na) - not, no

(indeclinable)

जायते (jāyate) - is born, happens, arises

(verb)

3rd person , singular, middle, present (laṭ) of jan

Root: jan (class 4)