योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-13, verse-28

प्रेक्षेऽहमिति भावेन द्रष्टुं प्रसरतीव खे ।
ततो रन्ध्रद्वयेनैव भाविबाह्याभिधं पुनः ॥ २८ ॥

prekṣe'hamiti bhāvena draṣṭuṃ prasaratīva khe ,
tato randhradvayenaiva bhāvibāhyābhidhaṃ punaḥ 28

28. prekṣe aham iti bhāvena draṣṭuṃ prasarati iva khe |
tataḥ randhradvayena eva bhāvi-bāhya-abhidham punaḥ ||

28. aham prekṣe iti bhāvena draṣṭuṃ iva khe prasarati tataḥ
randhradvayena eva punaḥ bhāvi-bāhya-abhidham (bhavati)

28. With the thought, 'I observe,' it (the subtle consciousness) spreads forth to perceive, as if in space. Then, by means of two apertures, that which will be named 'the external' again manifests.

Words meanings summery:

• प्रेक्षे (prekṣe) - I observe, I perceive, I see

• अहम् (aham) - I, ego

• इति (iti) - thus, so; quotative particle

• भावेन (bhāvena) - by the feeling, by the thought, with the mental state

• द्रष्टुम् (draṣṭum) - to see, to perceive

• प्रसरति (prasarati) - spreads forth, extends, proceeds

• इव (iva) - as if, like, similar to

• खे (khe) - in the sky, in space

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

• रन्ध्रद्वयेन (randhradvayena) - by means of two apertures

• एव (eva) - indeed, only, just

• भाविबाह्याभिधम् (bhāvibāhyābhidham) - that which will be named 'external'

• पुनः (punaḥ) - again, moreover, further

Words meanings and morphology

प्रेक्षे (prekṣe) - I observe, I perceive, I see

(verb)

1st person , singular, middle, present (laṭ) of īkṣ

root verb, 1st class, Atmanepada

Prefix: pra

Root: īkṣ (class 1)

अहम् (aham) - I, ego

(pronoun)

Nominative, singular of aham

aham - I, ego

इति (iti) - thus, so; quotative particle

(indeclinable)

भावेन (bhāvena) - by the feeling, by the thought, with the mental state

(noun)

Instrumental, masculine, singular of bhāva

bhāva - state, condition, feeling, intention, sentiment

Root: bhū (class 1)

द्रष्टुम् (draṣṭum) - to see, to perceive

(indeclinable)

infinitive

infinitive form of root dṛś

Root: dṛś (class 1)

प्रसरति (prasarati) - spreads forth, extends, proceeds

(verb)

3rd person , singular, active, present (laṭ) of sṛ

root verb, 1st class, Parasmaipada

Prefix: pra

Root: sṛ (class 1)

इव (iva) - as if, like, similar to

(indeclinable)

खे (khe) - in the sky, in space

(noun)

Locative, neuter, singular of kha

kha - sky, space, ether; zero

ततः (tataḥ) - thereupon, from that, thence

(indeclinable)

रन्ध्रद्वयेन (randhradvayena) - by means of two apertures

(noun)

Instrumental, neuter, singular of randhradvaya

randhradvaya - a pair of apertures/holes

Compound type : tatpuruṣa (randhra+dvaya)

• randhra – hole, aperture, opening
  noun (neuter)
• dvaya – pair, couple, two
  noun (neuter)

एव (eva) - indeed, only, just

(indeclinable)

भाविबाह्याभिधम् (bhāvibāhyābhidham) - that which will be named 'external'

(adjective)

Nominative, neuter, singular of bhāvibāhyābhidha

bhāvibāhyābhidha - named or called 'future external' or 'what will be external'

Compound type : tatpuruṣa (bhāvin+bāhya+abhidha)

• bhāvin – future, about to be, impending
  adjective (masculine)
  Root: bhū (class 1)
• bāhya – external, outward
  adjective (neuter)
  Root: bah
• abhidha – name, appellation, designated
  adjective (masculine)
  Prefix: abhi
  Root: dhā (class 3)

पुनः (punaḥ) - again, moreover, further

(indeclinable)