योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-53, verse-46

त्रैलोक्यचेतसामन्तरालोको यः प्रकाशकः ।
अनुभूतिमुपारूढः सोऽहमात्मेति निश्चयः ॥ ४६ ॥

trailokyacetasāmantarāloko yaḥ prakāśakaḥ ,
anubhūtimupārūḍhaḥ so'hamātmeti niścayaḥ 46

46. trailokyacetasām antarālokaḥ yaḥ prakāśakaḥ
anubhūtim upārūḍhaḥ saḥ aham ātmā iti niścayaḥ

46. yaḥ trailokyacetasām antarālokaḥ prakāśakaḥ anubhūtim upārūḍhaḥ,
saḥ aham ātmā iti niścayaḥ

46. The inner light that illuminates the minds of the three worlds, which has ascended to (become the object of) direct experience (anubhava) – this is the firm conviction that "I am the self (ātman)."

Words meanings summery:

• त्रैलोक्यचेतसाम् (trailokyacetasām) - of the minds of the three worlds; of the consciousnesses of the three realms

• अन्तरालोकः (antarālokaḥ) - inner light; internal perception

• यः (yaḥ) - who; which; that

• प्रकाशकः (prakāśakaḥ) - illuminator; revealer; one who makes manifest

• अनुभूतिम् (anubhūtim) - experience; perception; realization

• उपारूढः (upārūḍhaḥ) - mounted; ascended; attained; experienced

• सः (saḥ) - he; that

• अहम् (aham) - I

• आत्मा (ātmā) - the self; the soul

• इति (iti) - thus; so; in this manner; indicating a quotation

• निश्चयः (niścayaḥ) - certainty; firm conviction; ascertainment

Words meanings and morphology

त्रैलोक्यचेतसाम् (trailokyacetasām) - of the minds of the three worlds; of the consciousnesses of the three realms

(noun)

Genitive, neuter, plural of trailokyacetas

trailokyacetas - consciousness of the three worlds

Compound type : ṣaṣṭhī-tatpuruṣa (trailokya+cetas)

• trailokya – the three worlds (heaven, earth, hell / svarga, martya, pātāla)
  noun (neuter)
  derived from tri-loka with taddhita suffix
• cetas – consciousness; mind; intellect; soul
  noun (neuter)

अन्तरालोकः (antarālokaḥ) - inner light; internal perception

(noun)

Nominative, masculine, singular of antarāloka

antarāloka - inner light; internal perception

Compound type : karmadhāraya (antar+āloka)

• antar – inside; within; between
  indeclinable
• āloka – light; sight; perception; appearance
  noun (masculine)

यः (yaḥ) - who; which; that

(pronoun)

Nominative, masculine, singular of yad

yad - who; which; what; that

प्रकाशकः (prakāśakaḥ) - illuminator; revealer; one who makes manifest

(noun)

Nominative, masculine, singular of prakāśaka

prakāśaka - illuminator; revealer; one who causes to shine

agent noun from causative

Derived from root kāś with prefix pra and suffix -aka

Prefix: pra

Root: kāś (class 1)

अनुभूतिम् (anubhūtim) - experience; perception; realization

(noun)

Accusative, feminine, singular of anubhūti

anubhūti - experience; perception; realization; apprehension

Prefix: anu

Root: bhū (class 1)

उपारूढः (upārūḍhaḥ) - mounted; ascended; attained; experienced

(participle)

Nominative, masculine, singular of upārūḍha

upārūḍha - ascended; mounted; attained; established; risen

Past Passive Participle

Formed from root ruh with prefixes upa and ā

Prefixes: upa+ā

Root: ruh (class 1)

सः (saḥ) - he; that

(pronoun)

Nominative, masculine, singular of tad

tad - that; he; she; it

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I; we

आत्मा (ātmā) - the self; the soul

(noun)

Nominative, masculine, singular of ātman

ātman - self; soul; essence; mind; spirit

इति (iti) - thus; so; in this manner; indicating a quotation

(indeclinable)

निश्चयः (niścayaḥ) - certainty; firm conviction; ascertainment

(noun)

Nominative, masculine, singular of niścaya

niścaya - certainty; firm conviction; ascertainment; conclusion

Prefix: nis

Root: ci (class 5)