योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-54, verse-4

संस्थिता स्पर्शमात्राख्या मात्रास्पर्शभ्रमात्मकः ।
समदुःखसुखो धीरः सोऽमृतत्वाय कल्पते ॥ ४ ॥

saṃsthitā sparśamātrākhyā mātrāsparśabhramātmakaḥ ,
samaduḥkhasukho dhīraḥ so'mṛtatvāya kalpate 4

4. saṃsthitā sparśa-mātrā-ākhyā mātrā-sparśa-bhrama-ātmakaḥ
sama-duḥkha-sukhaḥ dhīraḥ saḥ amṛtatvāya kalpate

4. saṃsthitā sparśa-mātrā-ākhyā mātrā-sparśa-bhrama-ātmakaḥ
dhīraḥ sama-duḥkha-sukhaḥ saḥ amṛtatvāya kalpate

4. The sensory experiences, though established and known as 'mere touch,' are in truth of the nature of illusory sense-contacts. The steadfast one (dhīra), who is equanimous in sorrow and happiness, is indeed fit for immortality (amṛtatva).

Words meanings summery:

• संस्थिता (saṁsthitā) - established (as real) (established, settled, existing)

• स्पर्श-मात्रा-आख्या (sparśa-mātrā-ākhyā) - known as 'mere touch' or 'mere sensation', denomination of mere touch

• मात्रा-स्पर्श-भ्रम-आत्मकः (mātrā-sparśa-bhrama-ātmakaḥ) - whose nature is the illusion of sense-contacts, consisting of illusory sense-contacts

• सम-दुःख-सुखः (sama-duḥkha-sukhaḥ) - equanimous in sorrow and happiness, indifferent to pain and pleasure

• धीरः (dhīraḥ) - steadfast, courageous, wise person, firm

• सः (saḥ) - he, that one

• अमृतत्वाय (amṛtatvāya) - for immortality, for deathlessness, for liberation

• कल्पते (kalpate) - is fit for, is able, becomes, tends to

Words meanings and morphology

संस्थिता (saṁsthitā) - established (as real) (established, settled, existing)

(adjective)

Nominative, feminine, singular of saṃsthita

saṁsthita - established, settled, existing, firm, standing

Past Passive Participle

From prefix 'sam' + root 'sthā'

Prefix: sam

Root: sthā (class 1)

स्पर्श-मात्रा-आख्या (sparśa-mātrā-ākhyā) - known as 'mere touch' or 'mere sensation', denomination of mere touch

(noun)

Nominative, feminine, singular of sparśa-mātrā-ākhyā

sparśa-mātrā-ākhyā - denomination of mere touch/sensation, that which is called mere touch

Compound type : tatpuruṣa (sparśa+mātrā+ākhyā)

• sparśa – touch, contact, sensation
  noun (masculine)
  Root: spṛś
• mātrā – measure, quantity, mere, only, sense-object
  noun (feminine)
• ākhyā – name, appellation, denomination
  noun (feminine)
  Prefix: ā
  Root: khyā

मात्रा-स्पर्श-भ्रम-आत्मकः (mātrā-sparśa-bhrama-ātmakaḥ) - whose nature is the illusion of sense-contacts, consisting of illusory sense-contacts

(adjective)

Nominative, masculine, singular of mātrā-sparśa-bhrama-ātmaka

mātrā-sparśa-bhrama-ātmaka - of the nature of illusion of sense-contacts

Compound type : bahuvrīhi (mātrā-sparśa-bhrama+ātmaka)

• mātrā-sparśa – sense-contact, object of senses
  noun (masculine)
• bhrama – illusion, delusion, error, wandering
  noun (masculine)
  Root: bhram
• ātmaka – having the nature of, consisting of, characterized by
  adjective (masculine)

सम-दुःख-सुखः (sama-duḥkha-sukhaḥ) - equanimous in sorrow and happiness, indifferent to pain and pleasure

(adjective)

Nominative, masculine, singular of sama-duḥkha-sukha

sama-duḥkha-sukha - having sorrow and happiness equally (the same)

Compound type : bahuvrīhi (sama+duḥkha+sukha)

• sama – equal, same, even, tranquil
  adjective (masculine)
• duḥkha – sorrow, pain, suffering
  noun (neuter)
• sukha – happiness, pleasure, joy
  noun (neuter)

धीरः (dhīraḥ) - steadfast, courageous, wise person, firm

(noun)

Nominative, masculine, singular of dhīra

dhīra - steadfast, firm, wise, courageous, calm

सः (saḥ) - he, that one

(pronoun)

Nominative, masculine, singular of tad

tad - that, he

अमृतत्वाय (amṛtatvāya) - for immortality, for deathlessness, for liberation

(noun)

Dative, neuter, singular of amṛtatva

amṛtatva - immortality, deathlessness, state of being immortal

कल्पते (kalpate) - is fit for, is able, becomes, tends to

(verb)

3rd person , singular, middle, present indicative (laṭ) of kḷp

Root: kḷp (class 1)