वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-23, verse-39

राक्षसेन्द्रस्तु तैः सार्धं मन्त्रिभिर्भीमविक्रमैः ।
समर्थयामास तदा रामकार्यविनिश्चयम् ॥३९॥

39. rākṣasendrastu taiḥ sārdhaṃ mantribhirbhīmavikramaiḥ ,
samarthayāmāsa tadā rāmakāryaviniścayam.

39. rākṣasendraḥ tu taiḥ sārdham mantribhiḥ bhīmavikramaiḥ
samarthayāmāsa tadā rāmakāryaviniścayam

39. tadā rākṣasendraḥ tu taiḥ bhīmavikramaiḥ mantribhiḥ
sārdham rāmakāryaviniścayam samarthayāmāsa

39. Then, the king of the rākṣasas (Rāvaṇa), accompanied by those ministers of formidable prowess, deliberated on the decision concerning Rāma's task.

Words meanings summery:

• राक्षसेन्द्रः (rākṣasendraḥ) - Rāvaṇa, the king of rākṣasas (king of rākṣasas (demons))

• तु (tu) - but, yet, indeed, on the other hand

• तैः (taiḥ) - by them, with them

• सार्धम् (sārdham) - together with, accompanied by

• मन्त्रिभिः (mantribhiḥ) - by ministers, with ministers

• भीमविक्रमैः (bhīmavikramaiḥ) - (ministers) having formidable prowess (by those of formidable prowess, with those of terrible might)

• समर्थयामास (samarthayāmāsa) - he deliberated on the matter (he deliberated, discussed, considered, approved)

• तदा (tadā) - then, at that time

• रामकार्यविनिश्चयम् (rāmakāryaviniścayam) - the decision regarding what to do about Rāma (the decision regarding Rāma's task/affair)

Words meanings and morphology

राक्षसेन्द्रः (rākṣasendraḥ) - Rāvaṇa, the king of rākṣasas (king of rākṣasas (demons))

(noun)

Nominative, masculine, singular of rākṣasendra

rākṣasendra - king of rākṣasas, chief of demons

Compound type : tatpuruṣa (rākṣasa+indra)

• rākṣasa – a demon, an evil being
  noun (masculine)
  from rakṣ (to guard, protect) with suffix -asa, or connected to rakṣas
  Root: rakṣ (class 1)
• indra – chief, lord, king (also name of the Vedic deity Indra)
  noun (masculine)
  Root: id

तु (tu) - but, yet, indeed, on the other hand

(indeclinable)

तैः (taiḥ) - by them, with them

(pronoun)

Instrumental, masculine, plural of tad

tad - that, this, it

सार्धम् (sārdham) - together with, accompanied by

(indeclinable)

Adverbial form of sārdha (with)

मन्त्रिभिः (mantribhiḥ) - by ministers, with ministers

(noun)

Instrumental, masculine, plural of mantrin

mantrin - minister, counselor

from mantra (counsel) + -in

Root: man (class 4)

भीमविक्रमैः (bhīmavikramaiḥ) - (ministers) having formidable prowess (by those of formidable prowess, with those of terrible might)

(adjective)

Instrumental, masculine, plural of bhīmavikrama

bhīmavikrama - of terrible/formidable prowess or courage

Compound type : bahuvrīhi (bhīma+vikrama)

• bhīma – terrible, formidable, dreadful
  adjective (masculine)
  from √bhī (to fear)
  Root: bhī (class 3)
• vikrama – prowess, valor, mighty step, courage
  noun (masculine)
  from vi-√kram (to step, stride)
  Prefix: vi
  Root: kram (class 1)

Note: Agrees with 'mantribhiḥ'.

समर्थयामास (samarthayāmāsa) - he deliberated on the matter (he deliberated, discussed, considered, approved)

(verb)

3rd person , singular, active, perfect (lit) of samarth

Causative Perfect Active

Causative stem samarth-aya from sam-√arth, then perfect (āmāsa ending)

Prefix: sam

Root: arth (class 10)

तदा (tadā) - then, at that time

(indeclinable)

adverbial derivative from tad

रामकार्यविनिश्चयम् (rāmakāryaviniścayam) - the decision regarding what to do about Rāma (the decision regarding Rāma's task/affair)

(noun)

Accusative, masculine, singular of rāmakāryaviniścaya

rāmakāryaviniścaya - decision concerning Rāma's business/affair

Compound type : tatpuruṣa (rāma+kārya+viniścaya)

• rāma – Rāma (proper noun, name of the prince)
  proper noun (masculine)
  Root: ram (class 1)
• kārya – task, duty, business, matter, to be done
  noun (neuter)
  Gerundive (passive future participle)
  from √kṛ (to do) + -ya
  Root: kṛ (class 8)
• viniścaya – definite ascertainment, decision, resolution
  noun (masculine)
  from vi-nis-√ci (to ascertain)
  Prefixes: vi+nis
  Root: ci (class 5)

Note: Object of 'samarthayāmāsa'.