योगवासिष्ठः yogavāsiṣṭhaḥ - book-2, chapter-2, verse-26

अहं हि राजपुत्राणां रामादीनां मनस्तमः ।
ज्ञानेनापनयाम्याशु दीपेनेव निशातमः ॥ २६ ॥

ahaṃ hi rājaputrāṇāṃ rāmādīnāṃ manastamaḥ ,
jñānenāpanayāmyāśu dīpeneva niśātamaḥ 26

26. aham hi rājaputrāṇām rāmādīnām manastamaḥ
jñānena apanayāmi āśu dīpena iva niśātamaḥ

26. aham hi jñānena rājaputrāṇām rāmādīnām manastamaḥ āśu apanayāmi,
dīpena iva niśātamaḥ.

26. Indeed, I shall swiftly dispel the mental darkness (manastamas) of these princes, beginning with Rāma, through knowledge (jñāna), just as the darkness of night is removed by a lamp.

Words meanings summery:

• अहम् (aham) - I

• हि (hi) - indeed (indeed, surely, for, because)

• राजपुत्राणाम् (rājaputrāṇām) - of the princes, of the sons of kings

• रामादीनाम् (rāmādīnām) - of Rāma and others

• मनस्तमः (manastamaḥ) - darkness of the mind, mental darkness

• ज्ञानेन (jñānena) - through knowledge (by knowledge, with knowledge)

• अपनयामि (apanayāmi) - I shall dispel (I remove, I lead away, I dispel)

• आशु (āśu) - swiftly (quickly, swiftly, immediately)

• दीपेन (dīpena) - by a lamp, with a lamp

• इव (iva) - like, as, as it were

• निशातमः (niśātamaḥ) - darkness of night, night's darkness

Words meanings and morphology

अहम् (aham) - I

(pronoun)

Nominative, singular of asmad

asmad - I, we (first person pronoun)

Note: Subject of apanayāmi.

हि (hi) - indeed (indeed, surely, for, because)

(indeclinable)

राजपुत्राणाम् (rājaputrāṇām) - of the princes, of the sons of kings

(noun)

Genitive, masculine, plural of rājaputra

rājaputra - king's son, prince

Compound type : tatpurusha (rājan+putra)

• rājan – king, ruler
  noun (masculine)
• putra – son, child
  noun (masculine)

Note: Qualifies rāmādīnām.

रामादीनाम् (rāmādīnām) - of Rāma and others

(proper noun)

Genitive, masculine, plural of rāmādi

rāmādi - Rāma and so forth, beginning with Rāma

Compound type : tatpurusha (rāma+ādi)

• rāma – Rāma (a proper name, the protagonist of the Rāmāyaṇa)
  proper noun (masculine)
• ādi – beginning, et cetera, and so on
  indeclinable (masculine)

Note: Specifies the group of princes.

मनस्तमः (manastamaḥ) - darkness of the mind, mental darkness

(noun)

Accusative, neuter, singular of manastamas

manastamas - mental darkness, ignorance of the mind

Compound type : tatpurusha (manas+tamas)

• manas – mind, intellect, thought, consciousness
  noun (neuter)
• tamas – darkness, ignorance, gloom
  noun (neuter)

Note: Object of apanayāmi.

ज्ञानेन (jñānena) - through knowledge (by knowledge, with knowledge)

(noun)

Instrumental, neuter, singular of jñāna

jñāna - knowledge (jñāna), wisdom, understanding

Root: jñā (class 9)

अपनयामि (apanayāmi) - I shall dispel (I remove, I lead away, I dispel)

(verb)

1st person , singular, active, present (lat) of nī

Present Tense

1st person singular present active of causative of √nī with upasargas apa-ni

Prefixes: apa+ni

Root: nī (class 1)

आशु (āśu) - swiftly (quickly, swiftly, immediately)

(indeclinable)

दीपेन (dīpena) - by a lamp, with a lamp

(noun)

Instrumental, masculine, singular of dīpa

dīpa - lamp, light, illuminator

Root: dīp (class 4)

इव (iva) - like, as, as it were

(indeclinable)

निशातमः (niśātamaḥ) - darkness of night, night's darkness

(noun)

Accusative, neuter, singular of niśātamas

niśātamas - darkness of night, night-darkness

Compound type : tatpurusha (niśā+tamas)

• niśā – night
  noun (feminine)
• tamas – darkness, gloom, ignorance
  noun (neuter)