योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-42, verse-4

सनातनोऽहमव्यक्तः पुमानित्यभिधां ततः ।
करोत्यात्मनि तेनाशु प्रथमः प्रथितः पुमान् ॥ ४ ॥

sanātano'hamavyaktaḥ pumānityabhidhāṃ tataḥ ,
karotyātmani tenāśu prathamaḥ prathitaḥ pumān 4

4. sanātanaḥ aham avyaktaḥ pumān iti abhidhāṃ tataḥ
karoti ātmani tena āśu prathamaḥ prathitaḥ pumān

4. tataḥ prathamaḥ prathitaḥ pumān ātmani ahaṃ
sanātanaḥ avyaktaḥ pumān iti abhidhāṃ tena āśu karoti

4. Thereupon, that first, renowned cosmic person (puruṣa) swiftly applies to himself the designation: 'I am the eternal, unmanifest (puruṣa).'

Words meanings summery:

• सनातनः (sanātanaḥ) - eternal (eternal, everlasting, ancient)

• अहम् (aham) - I

• अव्यक्तः (avyaktaḥ) - unmanifest (unmanifest, unexpressed, subtle)

• पुमान् (pumān) - cosmic person (puruṣa) (man, male, person, cosmic person (puruṣa))

• इति (iti) - thus, so (used to mark a quotation)

• अभिधां (abhidhāṁ) - name, appellation, designation

• ततः (tataḥ) - then, thereupon, from that

• करोति (karoti) - applies, designates (does, makes, performs)

• आत्मनि (ātmani) - within himself (in the self, in the soul, in oneself)

• तेन (tena) - by that (designation/action) (by that, by him)

• आशु (āśu) - quickly, swiftly, immediately

• प्रथमः (prathamaḥ) - first, foremost, primal

• प्रथितः (prathitaḥ) - renowned (famous, renowned, proclaimed)

• पुमान् (pumān) - cosmic person (puruṣa) (man, male, person, cosmic person (puruṣa))

Words meanings and morphology

सनातनः (sanātanaḥ) - eternal (eternal, everlasting, ancient)

(adjective)

Nominative, masculine, singular of sanātana

sanātana - eternal, perpetual, ancient, primeval

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we

अव्यक्तः (avyaktaḥ) - unmanifest (unmanifest, unexpressed, subtle)

(adjective)

Nominative, masculine, singular of avyakta

avyakta - unmanifest, unexpressed, indistinct, subtle, primordial matter

Compound type : Nañ-tatpuruṣa (a+vyakta)

• a – not, un-
  indeclinable
• vyakta – manifest, apparent, distinct, expressed
  participle (masculine)
  Past Passive Participle
  from root añj with prefix vi
  Prefix: vi
  Root: añj (class 7)

पुमान् (pumān) - cosmic person (puruṣa) (man, male, person, cosmic person (puruṣa))

(noun)

Nominative, masculine, singular of puruṣa

puruṣa - man, male, person, spirit, the supreme cosmic person

इति (iti) - thus, so (used to mark a quotation)

(indeclinable)

अभिधां (abhidhāṁ) - name, appellation, designation

(noun)

Accusative, feminine, singular of abhidhā

abhidhā - name, appellation, designation, word, meaning

From root dhā (to place) with prefix abhi

Prefix: abhi

Root: dhā (class 3)

ततः (tataḥ) - then, thereupon, from that

(indeclinable)

करोति (karoti) - applies, designates (does, makes, performs)

(verb)

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

Present Active

root 'kṛ' in class 8 conjugation

Root: kṛ (class 8)

आत्मनि (ātmani) - within himself (in the self, in the soul, in oneself)

(noun)

Locative, masculine, singular of ātman

ātman - self, soul, spirit, essence

तेन (tena) - by that (designation/action) (by that, by him)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, she, it

आशु (āśu) - quickly, swiftly, immediately

(indeclinable)

Note: Used as an adverb here.

प्रथमः (prathamaḥ) - first, foremost, primal

(adjective)

Nominative, masculine, singular of prathama

prathama - first, foremost, chief, primal

प्रथितः (prathitaḥ) - renowned (famous, renowned, proclaimed)

(participle)

Nominative, masculine, singular of prathita

prathita - famous, renowned, celebrated, spread, published

Past Passive Participle

from root prath (to spread, extend)

Root: prath (class 1)

पुमान् (pumān) - cosmic person (puruṣa) (man, male, person, cosmic person (puruṣa))

(noun)

Nominative, masculine, singular of puruṣa

puruṣa - man, male, person, spirit, the supreme cosmic person