योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-46, verse-15

सर्वार्थशीतलत्वेन बलाद्ध्याने यदाऽऽगतम् ।
ज्ञानाद्विषयवैरस्य स समाधिर्हि नेतरः ॥ १५ ॥

sarvārthaśītalatvena balāddhyāne yadā''gatam ,
jñānādviṣayavairasya sa samādhirhi netaraḥ 15

15. sarvārthaśītalatvena balāt dhyāne yadā āgatam
jñānāt viṣayavairasya saḥ samādhiḥ hi na itaraḥ

15. yadā sarvārthaśītalatvena balāt dhyāne āgatam,
saḥ samādhiḥ hi jñānāt viṣayavairasya na itaraḥ

15. When one has forcefully arrived at (dhyāna) meditation due to a complete dispassion towards all objects (sarvārtha), that meditative absorption (dhyāna) which stems from true knowledge (jñāna) and aversion to worldly objects is indeed the true one, not any other.

Words meanings summery:

• सर्वार्थशीतलत्वेन (sarvārthaśītalatvena) - by means of a detached and serene attitude towards all worldly matters (by means of tranquility concerning all objects, by coolness towards all worldly things)

• बलात् (balāt) - by force, forcibly, powerfully

• ध्याने (dhyāne) - in meditation

• यदा (yadā) - when

• आगतम् (āgatam) - one has entered (into dhyāna) (arrived, come, entered)

• ज्ञानात् (jñānāt) - from true understanding or spiritual knowledge (jñāna) (from knowledge)

• विषयवैरस्य (viṣayavairasya) - aversion to objects

• सः (saḥ) - that, he

• समाधिः (samādhiḥ) - meditative absorption, profound meditation, concentration

• हि (hi) - indeed, surely, because

• न (na) - not, no

• इतरः (itaraḥ) - not any other kind of meditation or concentration (other, different)

Words meanings and morphology

सर्वार्थशीतलत्वेन (sarvārthaśītalatvena) - by means of a detached and serene attitude towards all worldly matters (by means of tranquility concerning all objects, by coolness towards all worldly things)

(noun)

Instrumental, neuter, singular of sarvārthaśītalatva

sarvārthaśītalatva - state of coolness/tranquility concerning all objects/purposes

Compound. `sarva-artha-śītalatva`. `sarva` (all) + `artha` (objects) + `śītalatva` (coolness, tranquility).

Compound type : tatpuruṣa (sarva+artha+śītalatva)

• sarva – all, every
  adjective
• artha – object, purpose, thing, wealth
  noun (masculine)
• śītalatva – coolness, tranquility, dispassion
  noun (neuter)
  Derived from `śītala` (cool) + suffix `tva` (state of being).

बलात् (balāt) - by force, forcibly, powerfully

(noun)

Ablative, neuter, singular of bala

bala - strength, power, force

ध्याने (dhyāne) - in meditation

(noun)

Locative, neuter, singular of dhyāna

dhyāna - meditation, contemplation, thought

Derived from root `dhyai` (to meditate, think).

Root: dhyai (class 1)

यदा (yadā) - when

(indeclinable)

Derived from pronoun `yad`.

आगतम् (āgatam) - one has entered (into dhyāna) (arrived, come, entered)

(adjective)

Nominative, neuter, singular of āgata

āgata - arrived, come, entered, attained

Past Passive Participle

Derived from root `gam` (to go) with prefix `ā-`.

Prefix: ā

Root: gam (class 1)

Note: Used as a substantive, 'when (it) is come'.

ज्ञानात् (jñānāt) - from true understanding or spiritual knowledge (jñāna) (from knowledge)

(noun)

Ablative, neuter, singular of jñāna

jñāna - knowledge, wisdom, understanding

Derived from root `jñā` (to know).

Root: jñā (class 9)

Note: Implies source or cause.

विषयवैरस्य (viṣayavairasya) - aversion to objects

(noun)

Nominative, neuter, singular of viṣayavairasya

viṣayavairasya - aversion to objects, dispassion for sensual objects

Compound. `viṣaya` (object of sense) + `vairasya` (aversion, distaste).

Compound type : tatpuruṣa (viṣaya+vairasya)

• viṣaya – object of sense, realm, sphere, worldly matter
  noun (masculine)
• vairasya – aversion, distaste, disgust, insipidity
  noun (neuter)
  Derived from `virasa` (tasteless, unpleasant)

Note: Subject of the implied verb 'is' for `samādhiḥ`.

सः (saḥ) - that, he

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, it

Note: Refers to `samādhiḥ`.

समाधिः (samādhiḥ) - meditative absorption, profound meditation, concentration

(noun)

Nominative, masculine, singular of samādhi

samādhi - meditative absorption, profound meditation (dhyāna), concentration

Derived from root `dhā` with prefixes `sam-` and `ā-`.

Prefixes: sam+ā

Root: dhā (class 3)

हि (hi) - indeed, surely, because

(indeclinable)

न (na) - not, no

(indeclinable)

इतरः (itaraḥ) - not any other kind of meditation or concentration (other, different)

(pronoun)

Nominative, masculine, singular of itara

itara - other, different, the other

Note: Qualifies `samādhiḥ` (implied).