योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-48, verse-54

उदीर्यमाण एवास्मिन्मन्त्रराजेऽस्त्रराजयः ।
राक्षसानां प्रशेमुस्ता अन्धकार इवोदये ॥ ५४ ॥

udīryamāṇa evāsminmantrarāje'strarājayaḥ ,
rākṣasānāṃ praśemustā andhakāra ivodaye 54

54. udīryamāṇaḥ eva asmin mantrarāje astrarājayaḥ
rākṣasānām praśemuḥ tāḥ andhakāraḥ iva udaye

54. asmin mantrarāje udīryamāṇaḥ eva astrarājayaḥ
rākṣasānām tāḥ praśemuḥ udaye andhakāraḥ iva

54. As soon as this king of mantras was being uttered, those great warriors (astrarājayaḥ) of the Rākṣasas perished, just like darkness at the advent of dawn.

Words meanings summery:

• उदीर्यमाणः (udīryamāṇaḥ) - being uttered (the mantra) (being uttered, being pronounced, being invoked)

• एव (eva) - as soon as, exactly (just, indeed, only)

• अस्मिन् (asmin) - in this (mantra) (in this)

• मन्त्रराजे (mantrarāje) - in this king of mantras (referring to Nārāyaṇāstra) (in the king of mantras, in the chief mantra)

• अस्त्रराजयः (astrarājayaḥ) - the powerful Rākṣasa warriors (kings of weapons, chief warriors)

• राक्षसानाम् (rākṣasānām) - of the Rākṣasas (whose warriors perished) (of the Rākṣasas)

• प्रशेमुः (praśemuḥ) - they (the warriors/forces) perished (they perished, they ceased, they became quiet)

• ताः (tāḥ) - those (referring to the Rākṣasa forces/powers, implicitly feminine plural) (those)

• अन्धकारः (andhakāraḥ) - darkness

• इव (iva) - like, as, as if

• उदये (udaye) - at dawn, at the advent of morning (at the rising, at the appearance)

Words meanings and morphology

उदीर्यमाणः (udīryamāṇaḥ) - being uttered (the mantra) (being uttered, being pronounced, being invoked)

(adjective)

Nominative, masculine, singular of udīryamāṇa

udīryamāṇa - being uttered, being raised, being moved

Present Passive Participle

From root 'īr' (to move, to send forth) with prefixes 'ud' and 'ā'.

Prefixes: ud+ā

Root: īr

Note: Modifies 'mantrarāja' (implicitly, if 'asmin mantrarāje' refers to the subject of the utterance).

एव (eva) - as soon as, exactly (just, indeed, only)

(indeclinable)

अस्मिन् (asmin) - in this (mantra) (in this)

(pronoun)

Locative, masculine, singular of idam

idam - this

Note: Qualifies 'mantrarāje'.

मन्त्रराजे (mantrarāje) - in this king of mantras (referring to Nārāyaṇāstra) (in the king of mantras, in the chief mantra)

(noun)

Locative, masculine, singular of mantrarāja

mantrarāja - king of mantras, chief mantra

Compound type : tatpuruṣa (mantra+rāja)

• mantra – sacred utterance, hymn, prayer, counsel
  noun (masculine)
• rāja – king, ruler, chief
  noun (masculine)

अस्त्रराजयः (astrarājayaḥ) - the powerful Rākṣasa warriors (kings of weapons, chief warriors)

(noun)

Nominative, masculine, plural of astrarāja

astrarāja - king of weapons, master of missiles

Compound type : tatpuruṣa (astra+rāja)

• astra – weapon, missile
  noun (neuter)
• rāja – king, ruler, chief
  noun (masculine)

Note: Refers to the Rākṣasa chiefs or powerful warriors.

राक्षसानाम् (rākṣasānām) - of the Rākṣasas (whose warriors perished) (of the Rākṣasas)

(noun)

Genitive, masculine, plural of rākṣasa

rākṣasa - Rākṣasa (a demon, ogre); relating to Rākṣasas

Note: Possessive, indicating that the warriors/forces belonged to the Rākṣasas.

प्रशेमुः (praśemuḥ) - they (the warriors/forces) perished (they perished, they ceased, they became quiet)

(verb)

3rd person , plural, active, perfect (liṭ) of śam

Root 'śam' with prefix 'pra'. Perfect tense (Liṭ), parasmaipada.

Prefix: pra

Root: śam (class 4)

ताः (tāḥ) - those (referring to the Rākṣasa forces/powers, implicitly feminine plural) (those)

(pronoun)

Nominative, feminine, plural of tad

tad - that, she, those

Note: Refers to the Rākṣasas (collectively or their implied forces/powers) as the subject of 'praśemuḥ'.

अन्धकारः (andhakāraḥ) - darkness

(noun)

Nominative, masculine, singular of andhakāra

andhakāra - darkness

इव (iva) - like, as, as if

(indeclinable)

उदये (udaye) - at dawn, at the advent of morning (at the rising, at the appearance)

(noun)

Locative, masculine, singular of udaya

udaya - rising, ascent, dawn, prosperity

Prefix: ud

Root: i (class 2)