योगवासिष्ठः yogavāsiṣṭhaḥ - book-4, chapter-21, verse-58

यद्यथा येन निर्णीतं तत्तथा तेन लक्ष्यते ।
भाविताकाशमातङ्गं व्योमहस्तितया मनः ॥ ५८ ॥

yadyathā yena nirṇītaṃ tattathā tena lakṣyate ,
bhāvitākāśamātaṅgaṃ vyomahastitayā manaḥ 58

58. yat yathā yena nirṇītam tat tathā tena lakṣyate
bhāvitākāśamātaṅgam vyomahastitayā manaḥ

58. yat yathā yena nirṇītam,
tat tathā tena lakṣyate manaḥ vyomahastitayā bhāvitākāśamātaṅgam (paśyati)

58. Whatever is determined in whatever manner by someone, that is perceived in that very manner by them. The mind (manas), for instance, perceives an elephant imagined in the sky by virtue of its sky-elephant nature.

Words meanings summery:

• यत् (yat) - whatever (object/concept) (which, whatever)

• यथा (yathā) - in whatever specific manner (as, just as, in whatever manner)

• येन (yena) - by any person (implied) (by whom, by which)

• निर्णीतम् (nirṇītam) - mentally determined or concluded (determined, ascertained, decided)

• तत् (tat) - that specific (object/concept) (that, it)

• तथा (tathā) - in that very same manner (thus, in that manner, so)

• तेन (tena) - by that very person (implied) (by him, by that)

• लक्ष्यते (lakṣyate) - is perceived (by the agent) (is perceived, is observed, is aimed at)

• भाविताकाशमातङ्गम् (bhāvitākāśamātaṅgam) - an illusory elephant, a mental projection of an elephant in the sky (an elephant imagined in the sky)

• व्योमहस्तितया (vyomahastitayā) - by conceiving it as a sky-elephant, or by its nature as a sky-elephant (by the state of being a sky-elephant, by sky-elephant-ness)

• मनः (manaḥ) - the perceiving mind (manas) (mind, intellect, heart)

Words meanings and morphology

यत् (yat) - whatever (object/concept) (which, whatever)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, whoever, whatever

यथा (yathā) - in whatever specific manner (as, just as, in whatever manner)

(indeclinable)

येन (yena) - by any person (implied) (by whom, by which)

(pronoun)

Instrumental, masculine, singular of yad

yad - which, what, whoever, whatever

Note: Refers to an implied agent.

निर्णीतम् (nirṇītam) - mentally determined or concluded (determined, ascertained, decided)

(adjective)

Nominative, neuter, singular of nirṇīta

nirṇīta - determined, ascertained, decided, resolved

Past Passive Participle

From root ṇī (to lead) with upasarga nir. ṇī becomes nī.

Prefix: nis

Root: nī (class 1)

Note: Adjective modifying yat (implied bhavati or similar).

तत् (tat) - that specific (object/concept) (that, it)

(pronoun)

Nominative, neuter, singular of tad

tad - that, he, she, it

Note: Correlative to yat.

तथा (tathā) - in that very same manner (thus, in that manner, so)

(indeclinable)

Note: Correlative to yathā.

तेन (tena) - by that very person (implied) (by him, by that)

(pronoun)

Instrumental, masculine, singular of tad

tad - that, he, she, it

Note: Correlative to yena.

लक्ष्यते (lakṣyate) - is perceived (by the agent) (is perceived, is observed, is aimed at)

(verb)

3rd person , singular, passive, present (laṭ) of lakṣ

Root: lakṣ (class 10)

भाविताकाशमातङ्गम् (bhāvitākāśamātaṅgam) - an illusory elephant, a mental projection of an elephant in the sky (an elephant imagined in the sky)

(noun)

Accusative, masculine, singular of bhāvitākāśamātaṅga

bhāvitākāśamātaṅga - an elephant imagined in the sky

A compound where bhāvita is a past passive participle acting as an adjective.

Compound type : karmadhāraya (bhāvita+ākāśa+mātaṅga)

• bhāvita – imagined, conceived, realized, caused to be
  adjective (masculine)
  Past Passive Participle
  From causative stem of root bhū (to be).
  Root: bhū (class 1)
• ākāśa – sky, ether, space
  noun (masculine)
• mātaṅga – elephant, outcaste
  noun (masculine)

Note: Object of implied verb (like bhāvayati or paśyati).

व्योमहस्तितया (vyomahastitayā) - by conceiving it as a sky-elephant, or by its nature as a sky-elephant (by the state of being a sky-elephant, by sky-elephant-ness)

(noun)

Instrumental, feminine, singular of vyomahastitā

vyomahastitā - the state or quality of being a sky-elephant

Derived from the compound vyomahastin with the abstract noun suffix -tā.

Compound type : tatpuruṣa (vyoman+hastin)

• vyoman – sky, heaven, atmosphere, space
  noun (neuter)
• hastin – elephant
  noun (masculine)

Note: Expresses the means or reason.

मनः (manaḥ) - the perceiving mind (manas) (mind, intellect, heart)

(noun)

Nominative, neuter, singular of manas

manas - mind, intellect, thought, heart

Note: Subject of the implied verb.