योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-174, verse-28

आलोककारिणात्यर्थं शास्त्रार्थेनैव शाम्यति ।
अमलेनाखिला भ्रान्तिः प्रकाशेनैव तामसी ॥ २८ ॥

ālokakāriṇātyarthaṃ śāstrārthenaiva śāmyati ,
amalenākhilā bhrāntiḥ prakāśenaiva tāmasī 28

28. ālokakāriṇā atyartham śāstrārthena eva śāmyati |
amalena akhilā bhrāntiḥ prakāśena eva tāmasī ||

28. akhilā tāmasī bhrāntiḥ atyartham ālokakāriṇā
śāstrārthena eva śāmyati amalena prakāśena eva (śāmyati)

28. The entire dark illusion (bhrānti), which is born of ignorance (tamas), subsides only through the exceedingly illuminating meaning of the scriptures (śāstra), just as it subsides solely through pure light (prakāśa).

Words meanings summery:

• आलोककारिणा (ālokakāriṇā) - Modifies śāstrārthena. (by the one who produces light, by the illuminator)

• अत्यर्थम् (atyartham) - Modifies the illuminating quality. (exceedingly, greatly, very much)

• शास्त्रार्थेन (śāstrārthena) - by the meaning of scriptures

• एव (eva) - Emphasizes śāstrārthena. (just, indeed, only)

• शाम्यति (śāmyati) - subsides, is pacified, becomes calm

• अमलेन (amalena) - Modifies prakāśena. (by the pure, by the spotless)

• अखिला (akhilā) - Modifies bhrāntiḥ. (entire, whole, complete)

• भ्रान्तिः (bhrāntiḥ) - The entire dark illusion (bhrānti) that is to be dispelled. (illusion, error, delusion)

• प्रकाशेन (prakāśena) - by light, by illumination

• एव (eva) - Emphasizes prakāśena. (just, indeed, only)

• तामसी (tāmasī) - Refers to the illusion (bhrānti) as being a product of the quality of tamas (ignorance). (dark, ignorant, born of tamas)

Words meanings and morphology

आलोककारिणा (ālokakāriṇā) - Modifies śāstrārthena. (by the one who produces light, by the illuminator)

(adjective)

Instrumental, masculine, singular of ālokakārin

ālokakārin - illuminating, light-producing, causing perception

Agentive Noun / Adjective

Compound of āloka (light, perception) and kārin (making, doing).

Compound type : tatpurusha (āloka+kārin)

• āloka – light, perception, seeing
  noun (masculine)
  From ā + root lok (to see).
  Prefix: ā
  Root: lok (class 10)
• kārin – making, doing, causing
  adjective (masculine)
  Agentive suffix -in
  From root kṛ (to do, make).
  Root: kṛ (class 8)

Note: Agrees with śāstrārthena.

अत्यर्थम् (atyartham) - Modifies the illuminating quality. (exceedingly, greatly, very much)

(indeclinable)

Compound of ati (over, beyond) and artha (meaning, purpose, quantity).

Compound type : avyayibhava (ati+artha)

• ati – over, beyond, excessive
  indeclinable
  Preposition or prefix.
• artha – meaning, purpose, object, wealth
  noun (masculine)
  From root ṛ (to go, to reach).
  Root: ṛ (class 1)

Note: Adverb modifying ālokakāriṇā.

शास्त्रार्थेन (śāstrārthena) - by the meaning of scriptures

(noun)

Instrumental, masculine, singular of śāstrārtha

śāstrārtha - meaning of scriptures (śāstra), scriptural teaching

Compound of śāstra (scripture) and artha (meaning).

Compound type : tatpurusha (śāstra+artha)

• śāstra – scripture (śāstra), treatise, instruction
  noun (neuter)
  Derived from root śās (to teach, to instruct).
  Root: śās (class 2)
• artha – meaning, purpose, object, wealth
  noun (masculine)
  From root ṛ (to go, to reach).
  Root: ṛ (class 1)

Note: Instrument of subsiding for bhrāntiḥ.

एव (eva) - Emphasizes śāstrārthena. (just, indeed, only)

(indeclinable)

Emphatic particle.

शाम्यति (śāmyati) - subsides, is pacified, becomes calm

(verb)

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

Root śam (4P).

Root: śam (class 4)

Note: Verb for bhrāntiḥ.

अमलेन (amalena) - Modifies prakāśena. (by the pure, by the spotless)

(adjective)

Instrumental, masculine, singular of amala

amala - spotless, pure, clean, free from impurity

Compound of a (negation) and mala (impurity, dirt).

Compound type : tatpurusha (a+mala)

• a – not, un-, non-
  indeclinable
  Negative prefix.
• mala – impurity, dirt, stain
  noun (masculine)
  From root mlai (to fade, soil).
  Root: mlai (class 1)

Note: Agrees with prakāśena.

अखिला (akhilā) - Modifies bhrāntiḥ. (entire, whole, complete)

(adjective)

Nominative, feminine, singular of akhila

akhila - entire, whole, complete, all

Compound of a (negation) and khila (gap, deficiency).

Compound type : tatpurusha (a+khila)

• a – not, un-, non-
  indeclinable
  Negative prefix.
• khila – gap, deficiency, waste land
  noun (neuter)
  From root khid (to cut).
  Root: khid (class 6)

Note: Agrees with bhrāntiḥ.

भ्रान्तिः (bhrāntiḥ) - The entire dark illusion (bhrānti) that is to be dispelled. (illusion, error, delusion)

(noun)

Nominative, feminine, singular of bhrānti

bhrānti - illusion (bhrānti), error, delusion, confusion

Derived from root bhram (to wander, to err).

Root: bhram (class 1)

Note: Subject of śāmyati.

प्रकाशेन (prakāśena) - by light, by illumination

(noun)

Instrumental, masculine, singular of prakāśa

prakāśa - light (prakāśa), brightness, manifestation, appearance

From pra + root kāś (to shine).

Prefix: pra

Root: kāś (class 1)

Note: Second instrument for bhrāntiḥ subsiding.

एव (eva) - Emphasizes prakāśena. (just, indeed, only)

(indeclinable)

Emphatic particle.

तामसी (tāmasī) - Refers to the illusion (bhrānti) as being a product of the quality of tamas (ignorance). (dark, ignorant, born of tamas)

(adjective)

Nominative, feminine, singular of tāmasī

tāmasī - dark, ignorant, relating to tamas (tamas), dull

Feminine form of tāmasa, derived from tamas (darkness, ignorance) + ī suffix.