महाभारतः mahābhārataḥ - book-1, chapter-45, verse-14

राजधर्मार्थकुशलो युक्तः सर्वगुणैर्नृपः ।
जितेन्द्रियश्चात्मवांश्च मेधावी वृद्धसेवितः ॥१४॥

14. rājadharmārthakuśalo yuktaḥ sarvaguṇairnṛpaḥ ,
jitendriyaścātmavāṁśca medhāvī vṛddhasevitaḥ.

14. rājadharmārthakuśalaḥ yuktaḥ sarvaguṇaiḥ nṛpaḥ
jitendriyaḥ ca ātmavān ca medhāvī vṛddhasevitaḥ

14. The king was skilled in the principles of kingship (Dharma and Artha), endowed with all virtues, self-controlled, self-possessed, intelligent, and respectful of elders.

Words meanings summery:

• राजधर्मार्थकुशलः (rājadharmārthakuśalaḥ) - proficient in royal duties, righteousness, and statecraft (economic and political matters) (skilled in the principles of kingship, dharma, and artha)

• युक्तः (yuktaḥ) - possessing or characterized by the following virtues (endowed with, engaged in, joined)

• सर्वगुणैः (sarvaguṇaiḥ) - possessing every good quality or excellence (with all virtues)

• नृपः (nṛpaḥ) - the main subject of the description, King Parikṣit (king, ruler)

• जितेन्द्रियः (jitendriyaḥ) - master of his own senses, desires, and passions (self-controlled, one who has conquered his senses)

• च (ca) - connects multiple admirable qualities of the king (and, also)

• आत्मवान् (ātmavān) - possessing mental fortitude, inner strength, and self-awareness (self-possessed, endowed with spirit/courage)

• च (ca) - connects multiple admirable qualities of the king (and, also)

• मेधावी (medhāvī) - possessing keen intellect, sharp memory, and discerning wisdom (intelligent, wise)

• वृद्धसेवितः (vṛddhasevitaḥ) - implying a respectful association with wise and experienced elders, indicating humility and a desire for guidance (served by elders, honored by elders, attended by elders)

Words meanings and morphology

राजधर्मार्थकुशलः (rājadharmārthakuśalaḥ) - proficient in royal duties, righteousness, and statecraft (economic and political matters) (skilled in the principles of kingship, dharma, and artha)

(adjective)

Nominative, masculine, singular of rājadharmārthakuśala

rājadharmārthakuśala - skilled in royal duties, righteousness, and material prosperity/statecraft

Compound type : tatpuruṣa (rājadharma+artha+kuśala)

• rājadharma – royal duty, king's law
  noun (masculine)
• artha – purpose, wealth, material prosperity, statecraft, meaning
  noun (masculine)
• kuśala – skilled, clever, expert, well-being
  adjective

युक्तः (yuktaḥ) - possessing or characterized by the following virtues (endowed with, engaged in, joined)

(adjective)

Nominative, masculine, singular of yukta

yukta - joined, associated, endowed with, fit, proper, diligent, concentrated

past participle

root yuj + kta

Root: yuj (class 7)

सर्वगुणैः (sarvaguṇaiḥ) - possessing every good quality or excellence (with all virtues)

(noun)

Instrumental, masculine, plural of sarvaguṇa

sarvaguṇa - all virtues, all qualities

Compound type : tatpuruṣa (sarva+guṇa)

• sarva – all, every, whole, entire
  pronoun
• guṇa – quality, virtue, attribute, merit
  noun (masculine)

नृपः (nṛpaḥ) - the main subject of the description, King Parikṣit (king, ruler)

(noun)

Nominative, masculine, singular of nṛpa

nṛpa - king, ruler, protector of men

Compound type : tatpuruṣa (nṛ+pa)

• nṛ – man, human
  noun (masculine)
• pa – protector, guardian
  noun (masculine)
  agent noun
  root pā (to protect) + Da
  Root: pā (class 2)

जितेन्द्रियः (jitendriyaḥ) - master of his own senses, desires, and passions (self-controlled, one who has conquered his senses)

(adjective)

Nominative, masculine, singular of jitendriya

jitendriya - one who has subdued his senses, self-controlled

Compound type : bahuvrihi (jita+indriya)

• jita – conquered, subdued, won
  adjective
  past participle
  root ji (to conquer) + kta
  Root: ji (class 1)
• indriya – sense organ, faculty of sense
  noun (neuter)

च (ca) - connects multiple admirable qualities of the king (and, also)

(indeclinable)

आत्मवान् (ātmavān) - possessing mental fortitude, inner strength, and self-awareness (self-possessed, endowed with spirit/courage)

(adjective)

Nominative, masculine, singular of ātmavat

ātmavat - self-possessed, resolute, spiritual, intelligent, brave, virtuous

derived from ātman (self) + matUP (possessive suffix)

च (ca) - connects multiple admirable qualities of the king (and, also)

(indeclinable)

मेधावी (medhāvī) - possessing keen intellect, sharp memory, and discerning wisdom (intelligent, wise)

(adjective)

Nominative, masculine, singular of medhāvin

medhāvin - intelligent, wise, sagacious, possessing a good memory

derived from medhā (intellect) + vin (possessive suffix)

वृद्धसेवितः (vṛddhasevitaḥ) - implying a respectful association with wise and experienced elders, indicating humility and a desire for guidance (served by elders, honored by elders, attended by elders)

(adjective)

Nominative, masculine, singular of vṛddhasevita

vṛddhasevita - served by the old; revering elders; attended by elders

Compound type : tatpuruṣa (vṛddha+sevita)

• vṛddha – old, aged, grown, wise, elder
  adjective
  past participle
  root vṛdh (to grow) + kta
  Root: vṛdh (class 1)
• sevita – served, attended, honored, frequented
  adjective
  past participle
  root sev (to serve) + kta
  Root: sev (class 1)