महाभारतः mahābhārataḥ - book-5, chapter-18, verse-13

दुराचारश्च नहुषो ब्रह्मद्विट्पापचेतनः ।
अगस्त्यशापाभिहतो विनष्टः शाश्वतीः समाः ॥१३॥

13. durācāraśca nahuṣo brahmadviṭpāpacetanaḥ ,
agastyaśāpābhihato vinaṣṭaḥ śāśvatīḥ samāḥ.

13. durācāraḥ ca nahuṣaḥ brahmadvit pāpacetanaḥ
agastyśāpābhihataḥ vinaṣṭaḥ śāśvatīḥ samāḥ

13. And the ill-behaved Nahusha, who was a hater of Brahmins and evil-minded, perished for eternal years, having been struck by the curse of Agastya.

Words meanings summery:

• दुराचारः (durācāraḥ) - ill-behaved, wicked, of bad conduct

• च (ca) - and, also

• नहुषः (nahuṣaḥ) - Nahusha

• ब्रह्मद्वित् (brahmadvit) - hater of Brahmins, hater of the sacred

• पापचेतनः (pāpacetanaḥ) - evil-minded, whose consciousness is sinful

• अगस्त्य्शापाभिहतः (agastyśāpābhihataḥ) - struck by Agastya's curse

• विनष्टः (vinaṣṭaḥ) - perished, destroyed, ruined

• शाश्वतीः (śāśvatīḥ) - eternal, perpetual, lasting

• समाः (samāḥ) - years, seasons

Words meanings and morphology

दुराचारः (durācāraḥ) - ill-behaved, wicked, of bad conduct

(adjective)

Nominative, masculine, singular of durācāra

durācāra - ill-behaved, wicked, of bad conduct

Compound type : bahuvrīhi (dur+ācāra)

• dur – bad, difficult, evil
  indeclinable
• ācāra – conduct, custom, behavior
  noun (masculine)
  derived from ā-√car
  Prefix: ā
  Root: car (class 1)

Note: modifies Nahusha

च (ca) - and, also

(indeclinable)

Note: conjunction

नहुषः (nahuṣaḥ) - Nahusha

(proper noun)

Nominative, masculine, singular of nahuṣa

nahuṣa - a legendary king, son of Ayu

Note: subject of the sentence

ब्रह्मद्वित् (brahmadvit) - hater of Brahmins, hater of the sacred

(adjective)

Nominative, masculine, singular of brahmadvit

brahmadvit - hater of Brahmins, hater of the sacred, impious

derived from brahman + dviṣ

Compound type : upapada-tatpuruṣa (brahman+dviṣ)

• brahman – Brahmin, sacred knowledge, ultimate reality (brahman)
  noun (masculine)
• dviṣ – to hate, to be hostile
  verb
  root for 'hater'
  Root: dviṣ (class 2)

Note: modifies Nahusha

पापचेतनः (pāpacetanaḥ) - evil-minded, whose consciousness is sinful

(adjective)

Nominative, masculine, singular of pāpacetana

pāpacetana - evil-minded, wicked, sinful in thought

Compound type : bahuvrīhi (pāpa+cetana)

• pāpa – sin, evil, wicked
  noun/adjective (neuter)
• cetana – consciousness, mind, sentient
  noun (neuter)
  derived from √cit
  Root: cit (class 1)

Note: modifies Nahusha

अगस्त्य्शापाभिहतः (agastyśāpābhihataḥ) - struck by Agastya's curse

(adjective)

Nominative, masculine, singular of agastyśāpābhihata

agastyśāpābhihata - struck by the curse of Agastya

Compound type : tatpuruṣa (agastya+śāpa+abhihata)

• agastya – a revered sage (Agastya)
  proper noun (masculine)
• śāpa – curse, imprecation
  noun (masculine)
  derived from √śap
  Root: śap (class 1)
• abhihata – struck, smitten, hit
  adjective (masculine)
  Past Passive Participle
  from abhi-han
  Prefix: abhi
  Root: han (class 2)

Note: modifies Nahusha

विनष्टः (vinaṣṭaḥ) - perished, destroyed, ruined

(adjective)

Nominative, masculine, singular of vinaṣṭa

vinaṣṭa - perished, destroyed, lost, ruined

Past Passive Participle

from vi-naś

Prefix: vi

Root: naś (class 4)

Note: predicative for Nahusha

शाश्वतीः (śāśvatīḥ) - eternal, perpetual, lasting

(adjective)

Accusative, feminine, plural of śāśvatī

śāśvata - eternal, perpetual, permanent, lasting

Note: modifies samāḥ

समाः (samāḥ) - years, seasons

(noun)

Accusative, feminine, plural of samā

samā - year, season

Note: accusative of duration 'for years'