वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-1, chapter-55, verse-17

ब्रह्मास्त्रं ग्रसमानस्य वसिष्ठस्य महात्मनः ।
त्रैलोक्यमोहनं रौद्रं रूपमासीत् सुदारुणम् ॥१७॥

17. brahmāstraṃ grasamānasya vasiṣṭhasya mahātmanaḥ ,
trailokyamohanaṃ raudraṃ rūpamāsīt sudāruṇam.

17. brahmāstram grasamānasya vasiṣṭhasya mahātmanaḥ
trailokyamohanam raudram rūpam āsīt sudāruṇam

17. mahātmanaḥ vasiṣṭhasya brahmāstram grasamānasya
trailokyamohanam raudram sudāruṇam rūpam āsīt

17. As the great-souled (mahātman) Vasiṣṭha was consuming the divine weapon (brahmāstra), his form (rūpa) became terrifying, enchanting the three worlds (trailokyamohanam), and exceedingly dreadful.

Words meanings summery:

• ब्रह्मास्त्रम् (brahmāstram) - the divine weapon (brahmāstra) (divine weapon, weapon of Brahmā)

• ग्रसमानस्य (grasamānasya) - of one who was swallowing (the brahmāstra) (of one swallowing, while swallowing)

• वसिष्ठस्य (vasiṣṭhasya) - of the sage Vasiṣṭha (of Vasiṣṭha)

• महात्मनः (mahātmanaḥ) - of the great-souled (mahātman) Vasiṣṭha (of the great-souled, of the high-minded)

• त्रैलोक्यमोहनम् (trailokyamohanam) - deluding/bewildering the three worlds (enchanting the three worlds, deluding the three worlds)

• रौद्रम् (raudram) - terrifying, fierce (describing the form) (terrible, fierce, dreadful)

• रूपम् (rūpam) - (his) form (form, appearance, shape)

• आसीत् (āsīt) - became (his form) (was, became)

• सुदारुणम् (sudāruṇam) - exceedingly dreadful (describing the form) (very dreadful, exceedingly terrible)

Words meanings and morphology

ब्रह्मास्त्रम् (brahmāstram) - the divine weapon (brahmāstra) (divine weapon, weapon of Brahmā)

(noun)

Accusative, neuter, singular of brahmāstra

brahmāstra - weapon of Brahmā, a divine missile

Compound type : tatpuruṣa (brahman+astra)

• brahman – Brahmā (the creator god), the absolute reality
  noun (masculine)
• astra – weapon, missile
  noun (neuter)

Note: Object of 'grasamānasya'.

ग्रसमानस्य (grasamānasya) - of one who was swallowing (the brahmāstra) (of one swallowing, while swallowing)

(participle)

Genitive, masculine, singular of grasamāna

√gras - to swallow, devour

Present Active Participle

Present participle derived from √gras (1P ātmanepada)

Root: gras (class 1)

Note: Agrees with 'vasiṣṭhasya' and 'mahātmanaḥ'.

वसिष्ठस्य (vasiṣṭhasya) - of the sage Vasiṣṭha (of Vasiṣṭha)

(proper noun)

Genitive, masculine, singular of vasiṣṭha

vasiṣṭha - Vasiṣṭha (name of a famous sage)

Note: Possessive, accompanying the participle 'grasamānasya'.

महात्मनः (mahātmanaḥ) - of the great-souled (mahātman) Vasiṣṭha (of the great-souled, of the high-minded)

(adjective)

Genitive, masculine, singular of mahātman

mahātman - great-souled, noble, high-minded, magnanimous

Compound type : karmadhāraya (mahā+ātman)

• mahā – great, large, mighty
  adjective
• ātman – self, soul, spirit, essential nature
  noun (masculine)

Note: Agrees with 'vasiṣṭhasya'.

त्रैलोक्यमोहनम् (trailokyamohanam) - deluding/bewildering the three worlds (enchanting the three worlds, deluding the three worlds)

(adjective)

Nominative, neuter, singular of trailokyamohana

trailokyamohana - deluding/bewildering the three worlds

Compound type : tatpuruṣa (triloka+mohana)

• triloka – three worlds (heaven, earth, netherworld)
  noun (masculine)
• mohana – bewildering, enchanting, infatuating
  adjective (neuter)
  from √moh (to be bewildered), with suffix 'lyuṭ'
  Root: moh (class 10)

Note: Agrees with 'rūpam'.

रौद्रम् (raudram) - terrifying, fierce (describing the form) (terrible, fierce, dreadful)

(adjective)

Nominative, neuter, singular of raudra

raudra - terrible, dreadful, fierce, belonging to Rudra

Note: Agrees with 'rūpam'.

रूपम् (rūpam) - (his) form (form, appearance, shape)

(noun)

Nominative, neuter, singular of rūpa

rūpa - form, shape, appearance, beauty, nature

Note: Subject complement with 'āsīt'.

आसीत् (āsīt) - became (his form) (was, became)

(verb)

3rd person , singular, active, past imperfect (laṅ) of as

Past Imperfect

3rd person singular, parasmaipada, imperfect tense

Root: as (class 2)

सुदारुणम् (sudāruṇam) - exceedingly dreadful (describing the form) (very dreadful, exceedingly terrible)

(adjective)

Nominative, neuter, singular of sudāruṇa

sudāruṇa - very terrible, exceedingly fierce, most dreadful

'su' (intensifying prefix) + 'dāruṇa' (terrible)

Compound type : karmadhāraya (su+dāruṇa)

• su – good, well, excellent, very, intensely
  indeclinable
• dāruṇa – dreadful, terrible, fierce, harsh
  adjective

Note: Agrees with 'rūpam'.