वाल्मीकि-रामायणम् vālmīki-rāmāyaṇam - book-6, chapter-99, verse-37

अधर्मानृतसंयुक्तः काममेष निशाचरः ।
तेजस्वी बलवाञ् शूरः संग्रामेषु च नित्यशः ॥३७॥

37. adharmānṛtasaṃyuktaḥ kāmameṣa niśācaraḥ ,
tejasvī balavāñ śūraḥ saṃgrāmeṣu ca nityaśaḥ.

37. adharmanṛtasaṃyuktaḥ kāmam eṣaḥ niśācaraḥ
tejasvī balavān śūraḥ saṃgrāmeṣu ca nityaśaḥ

37. eṣaḥ niśācaraḥ adharmanṛtasaṃyuktaḥ kāmam
tejasvī balavān śūraḥ ca saṃgrāmeṣu nityaśaḥ

37. Indeed, this night-prowler is associated with unrighteousness (adharma) and falsehood. He is glorious, powerful, and always valiant in battles.

Words meanings summery:

• अधर्मनृतसंयुक्तः (adharmanṛtasaṁyuktaḥ) - connected with unrighteousness and falsehood, endowed with impropriety and untruth

• कामम् (kāmam) - indeed, certainly, verily

• एषः (eṣaḥ) - Refers to Rāvaṇa. (this, this one)

• निशाचरः (niśācaraḥ) - Refers to Rāvaṇa, who is a rākṣasa. (night-prowler, demon, rākṣasa)

• तेजस्वी (tejasvī) - glorious, brilliant, powerful, spirited

• बलवान् (balavān) - strong, powerful, mighty

• शूरः (śūraḥ) - brave, valiant, heroic, warrior

• संग्रामेषु (saṁgrāmeṣu) - in battles, in conflicts

• च (ca) - and, also

• नित्यशः (nityaśaḥ) - always, constantly, perpetually

Words meanings and morphology

अधर्मनृतसंयुक्तः (adharmanṛtasaṁyuktaḥ) - connected with unrighteousness and falsehood, endowed with impropriety and untruth

(adjective)

Nominative, masculine, singular of adharmanṛtasaṃyukta

adharmanṛtasaṁyukta - connected with unrighteousness and falsehood

Compound type : tatpuruṣa (adharma+anṛta+saṃyukta)

• adharma – unrighteousness, impropriety, absence of natural law
  noun (masculine)
  Prefix: a
• anṛta – falsehood, untruth, unrighteousness
  noun (neuter)
  Prefix: a
• saṃyukta – joined, connected, endowed with, united
  adjective (masculine)
  Past Passive Participle
  Derived from root yuj (to join) with prefix sam.
  Prefix: sam
  Root: yuj (class 7)

कामम् (kāmam) - indeed, certainly, verily

(indeclinable)

एषः (eṣaḥ) - Refers to Rāvaṇa. (this, this one)

(pronoun)

Nominative, masculine, singular of etas

etas - this, this one

निशाचरः (niśācaraḥ) - Refers to Rāvaṇa, who is a rākṣasa. (night-prowler, demon, rākṣasa)

(noun)

Nominative, masculine, singular of niśācara

niśācara - night-prowler, demon, rākṣasa (one who moves at night)

Derived from niśā (night) and car (to move).

Compound type : upapada-tatpuruṣa (niśā+cara)

• niśā – night
  noun (feminine)
• cara – moving, going; one who moves
  adjective (masculine)
  Agent suffix
  Agent suffix -a from root car.
  Root: car (class 1)

तेजस्वी (tejasvī) - glorious, brilliant, powerful, spirited

(adjective)

Nominative, masculine, singular of tejasvin

tejasvin - glorious, brilliant, powerful, spirited, full of energy

Derived from tejas with possessive suffix vin.

बलवान् (balavān) - strong, powerful, mighty

(adjective)

Nominative, masculine, singular of balavat

balavat - strong, powerful, mighty, endowed with strength

Derived from bala with possessive suffix vat.

शूरः (śūraḥ) - brave, valiant, heroic, warrior

(adjective)

Nominative, masculine, singular of śūra

śūra - brave, valiant, heroic; a hero, warrior

संग्रामेषु (saṁgrāmeṣu) - in battles, in conflicts

(noun)

Locative, masculine, plural of saṃgrāma

saṁgrāma - battle, war, conflict

From sam + grāma (collection, village), suggesting a gathering for conflict.

च (ca) - and, also

(indeclinable)

नित्यशः (nityaśaḥ) - always, constantly, perpetually

(indeclinable)

Derived from nitya (constant) with suffix śaḥ (indicating manner/frequency).