योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-74, verse-4

ब्रह्मात्मैष स्वसंकल्पं स्वमण्डमकरोद्द्विधा ।
तैजसं तैजसाकारः पुष्टः पुष्टं विहंगवत् ॥ ४ ॥

brahmātmaiṣa svasaṃkalpaṃ svamaṇḍamakaroddvidhā ,
taijasaṃ taijasākāraḥ puṣṭaḥ puṣṭaṃ vihaṃgavat 4

4. brahmātman eṣaḥ svasaṃkalpam svamaṇḍam akarot dvidhā
taijasam taijasākāraḥ puṣṭaḥ puṣṭam vihaṃgavat

4. eṣaḥ brahmātman taijasākāraḥ puṣṭaḥ svasaṃkalpam
svamaṇḍam dvidhā akarot taijasam puṣṭam vihaṃgavat

4. This Brahmā, as the cosmic Self (brahmātman), being of luminous form and (himself) nourishing, divided his own creation – his cosmic egg (svāṇḍa), which is born of his creative resolve (saṃkalpa) – into two parts: one luminous (part) and one nourished (part), just like a bird (dividing its egg/chick).

Words meanings summery:

• ब्रह्मात्मन् (brahmātman) - the cosmic Self, the Self that is Brahmā (brahmātman)

• एषः (eṣaḥ) - this (masculine)

• स्वसंकल्पम् (svasaṁkalpam) - his own creative thought (saṃkalpa)

• स्वमण्डम् (svamaṇḍam) - his own egg, cosmic egg

• अकरोत् (akarot) - made, did, created

• द्विधा (dvidhā) - in two parts, in two ways

• तैजसम् (taijasam) - luminous, fiery, brilliant (neuter)

• तैजसाकारः (taijasākāraḥ) - having a luminous form, brilliant-formed

• पुष्टः (puṣṭaḥ) - the nourisher (nourished, strong, flourishing, nourishing)

• पुष्टम् (puṣṭam) - that which is nourished (nourished, strong, flourishing (neuter))

• विहंगवत् (vihaṁgavat) - like a bird

Words meanings and morphology

ब्रह्मात्मन् (brahmātman) - the cosmic Self, the Self that is Brahmā (brahmātman)

(noun)

Nominative, masculine, singular of brahmātman

brahmātman - the cosmic Self, the Self that is Brahmā (brahmātman)

Compound type : karmadhāraya (brahman+ātman)

• brahman – the Creator God (Brahmā)
  proper noun (masculine)
• ātman – self, soul, spirit, essence (ātman)
  noun (masculine)

एषः (eṣaḥ) - this (masculine)

(pronoun)

Nominative, masculine, singular of etad

etad - this, this one

Note: Agrees with brahmātman.

स्वसंकल्पम् (svasaṁkalpam) - his own creative thought (saṃkalpa)

(noun)

Accusative, neuter, singular of svasaṃkalpa

svasaṁkalpa - one's own creative thought (saṃkalpa), self-resolve

`sva` (own) + `saṃkalpa` (resolve)

Compound type : tatpuruṣa (sva+saṃkalpa)

• sva – own
  pronoun (neuter)
• saṃkalpa – creative thought, resolve (saṃkalpa)
  noun (masculine)
  From sam + kḷp
  Prefix: sam
  Root: kḷp (class 1)

Note: Object of akarot.

स्वमण्डम् (svamaṇḍam) - his own egg, cosmic egg

(noun)

Accusative, neuter, singular of svamaṇḍa

svamaṇḍa - one's own egg, cosmic egg

`sva` (own) + `aṇḍa` (egg)

Compound type : tatpuruṣa (sva+aṇḍa)

• sva – own
  pronoun (neuter)
• aṇḍa – egg
  noun (neuter)

Note: Object of akarot, in apposition to svasaṃkalpam.

अकरोत् (akarot) - made, did, created

(verb)

3rd person , singular, active, imperfect past (laṅ) of kṛ

Imperfect active indicative

Root kṛ, 8th class, imperfect tense, 3rd person singular

Root: kṛ (class 8)

द्विधा (dvidhā) - in two parts, in two ways

(indeclinable)

`dvi` (two) + `dhā` (suffix)

तैजसम् (taijasam) - luminous, fiery, brilliant (neuter)

(adjective)

Accusative, neuter, singular of taijasa

taijasa - luminous, fiery, brilliant, pertaining to light or fire (tejas)

from tejas + a (suffix)

Note: Adjective for one of the two parts created.

तैजसाकारः (taijasākāraḥ) - having a luminous form, brilliant-formed

(adjective)

Nominative, masculine, singular of taijasākāra

taijasākāra - having a luminous form, brilliant-formed

Compound type : karmadhāraya (taijasa+ākāra)

• taijasa – luminous, fiery, brilliant, pertaining to light or fire (tejas)
  adjective (neuter)
  from tejas + a (suffix)
• ākāra – form, shape, appearance
  noun (masculine)

Note: Adjective describing brahmātman eṣaḥ.

पुष्टः (puṣṭaḥ) - the nourisher (nourished, strong, flourishing, nourishing)

(adjective)

Nominative, masculine, singular of puṣṭa

puṣṭa - nourished, cherished, developed, strong, full, (as active sense) nourishing

Past Passive Participle

puṣ + kta

Root: puṣ (class 4)

Note: Adjective describing brahmātman eṣaḥ (the nourisher).

पुष्टम् (puṣṭam) - that which is nourished (nourished, strong, flourishing (neuter))

(adjective)

Accusative, neuter, singular of puṣṭa

puṣṭa - nourished, cherished, developed, strong, full

Past Passive Participle

puṣ + kta

Root: puṣ (class 4)

Note: Adjective for the other of the two parts created (the nourished one).

विहंगवत् (vihaṁgavat) - like a bird

(indeclinable)

`vihaṃga` (bird) + `vat` (like)

Note: Simile for the process of creation/nourishment.