वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-3, chapter-16, verse-20

विभीषणस्तु धर्मात्मा न तु राक्षसचेष्टितः ।
प्रख्यातवीर्यौ च रणे भ्रातरौ खरदूषणौ ॥२०॥

20. vibhīṣaṇastu dharmātmā na tu rākṣasaceṣṭitaḥ ,
prakhyātavīryau ca raṇe bhrātarau kharadūṣaṇau.

20. vibhīṣaṇaḥ tu dharmātmā na tu rākṣasaceṣṭitaḥ
prakhyātavīryau ca raṇe bhrātarau kharadūṣaṇau

20. tu vibhīṣaṇaḥ dharmātmā tu rākṣasaceṣṭitaḥ na
ca kharadūṣaṇau bhrātarau raṇe prakhyātavīryau

20. But Vibhishana is righteous (dharmātmā) and does not engage in demon-like activities. And my two brothers, Khara and Dushana, are renowned for their valor in battle.

Words meanings summery:

• विभीषणः (vibhīṣaṇaḥ) - Vibhishana (name of Ravana's brother)

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

• धर्मात्मा (dharmātmā) - righteous-souled, virtuous, pious (a person whose inner nature (ātman) is in alignment with natural law (dharma))

• न (na) - not, no

• तु (tu) - but, on the other hand

• राक्षसचेष्टितः (rākṣasaceṣṭitaḥ) - engaging in demon-like activities, having the actions of a demon

• प्रख्यातवीर्यौ (prakhyātavīryau) - renowned for valor, famous for bravery

• च (ca) - and, also

• रणे (raṇe) - in battle, on the battlefield

• भ्रातरौ (bhrātarau) - two brothers

• खरदूषणौ (kharadūṣaṇau) - Khara and Dushana (names of two demon brothers)

Words meanings and morphology

विभीषणः (vibhīṣaṇaḥ) - Vibhishana (name of Ravana's brother)

(proper noun)

Nominative, masculine, singular of vibhīṣaṇa

vibhīṣaṇa - Vibhishana (Ravana's brother)

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

(indeclinable)

धर्मात्मा (dharmātmā) - righteous-souled, virtuous, pious (a person whose inner nature (ātman) is in alignment with natural law (dharma))

(adjective)

Nominative, masculine, singular of dharmātman

dharmātman - righteous, virtuous, pious, (one whose inner nature (ātman) is natural law (dharma))

Compound type : bahuvrīhi (dharma+ātman)

• dharma – natural law, constitution, intrinsic nature, duty, righteousness (dharma)
  noun (masculine)
• ātman – self, soul, spirit, essence (ātman)
  noun (masculine)

न (na) - not, no

(indeclinable)

तु (tu) - but, on the other hand

(indeclinable)

राक्षसचेष्टितः (rākṣasaceṣṭitaḥ) - engaging in demon-like activities, having the actions of a demon

(adjective)

Nominative, masculine, singular of rākṣasaceṣṭita

rākṣasaceṣṭita - acting like a demon, having the actions of a demon

Compound type : tatpuruṣa (rākṣasa+ceṣṭita)

• rākṣasa – demon, evil spirit
  noun (masculine)
• ceṣṭita – acted, performed; activity, deed
  noun (neuter)
  Past Passive Participle (substantivized)
  From root 'ceṣṭ' (to move, to act)
  Root: ceṣṭ (class 1)

प्रख्यातवीर्यौ (prakhyātavīryau) - renowned for valor, famous for bravery

(adjective)

Nominative, masculine, dual of prakhyātavīrya

prakhyātavīrya - renowned for valor, famous for bravery

Compound type : bahuvrīhi (prakhyāta+vīrya)

• prakhyāta – famous, renowned, celebrated
  adjective
  Past Passive Participle
  From root 'khyā' with 'pra'
  Prefix: pra
  Root: khyā (class 2)
• vīrya – valor, heroism, strength
  noun (neuter)

च (ca) - and, also

(indeclinable)

रणे (raṇe) - in battle, on the battlefield

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, war, combat, conflict

भ्रातरौ (bhrātarau) - two brothers

(noun)

Nominative, masculine, dual of bhrātṛ

bhrātṛ - brother

खरदूषणौ (kharadūṣaṇau) - Khara and Dushana (names of two demon brothers)

(proper noun)

Nominative, masculine, dual of kharadūṣaṇa

kharadūṣaṇa - Khara and Dushana (names of two demon brothers)

Compound type : dvandva (khara+dūṣaṇa)

• khara – Khara (a demon's name); donkey; sharp, harsh
  proper noun (masculine)
• dūṣaṇa – Dushana (a demon's name); defiling, corrupting
  proper noun (masculine)