महाभारतः mahābhārataḥ - book-3, chapter-186, verse-54

क्षीणे युगे महाराज तरुणा वृद्धशीलिनः ।
तरुणानां च यच्छीलं तद्वृद्धेषु प्रजायते ॥५४॥

54. kṣīṇe yuge mahārāja taruṇā vṛddhaśīlinaḥ ,
taruṇānāṁ ca yacchīlaṁ tadvṛddheṣu prajāyate.

54. kṣīṇe yuge mahārāja taruṇā vṛddhaśīlinaḥ
taruṇānām ca yat śīlam tat vṛddheṣu prajāyate

54. O great king, when the age (yuga) declines, young people will exhibit the characteristics of the old. Conversely, the characteristics typical of the young will be found among the old.

Words meanings summery:

• क्षीणे (kṣīṇe) - when declined (diminished, exhausted, wasted, decayed)

• युगे (yuge) - when the age (yuga) declines (in the age (yuga), in the yoke, in the pair)

• महाराज (mahārāja) - O great king (O great king, emperor)

• तरुणा (taruṇā) - young people (young, youthful people)

• वृद्धशीलिनः (vṛddhaśīlinaḥ) - exhibit the characteristics of the old (having the nature of old people, acting like old people)

• तरुणानाम् (taruṇānām) - of the young (of the young, of youthful people)

• च (ca) - and (and, also, moreover)

• यत् (yat) - which (which, what, that (relative pronoun))

• शीलम् (śīlam) - characteristics (nature, character, habit, conduct)

• तत् (tat) - that (that, this, it (demonstrative/anaphoric pronoun))

• वृद्धेषु (vṛddheṣu) - among the old (among the old, in old people)

• प्रजायते (prajāyate) - will be found (is born, arises, appears, occurs)

Words meanings and morphology

क्षीणे (kṣīṇe) - when declined (diminished, exhausted, wasted, decayed)

(adjective)

Locative, neuter, singular of kṣīṇa

kṣīṇa - diminished, wasted, decayed, exhausted

Past Passive Participle

derived from root kṣi

Root: kṣi (class 5)

युगे (yuge) - when the age (yuga) declines (in the age (yuga), in the yoke, in the pair)

(noun)

Locative, neuter, singular of yuga

yuga - yoke, pair, age, epoch

Root: yuj (class 7)

महाराज (mahārāja) - O great king (O great king, emperor)

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king, emperor

Compound type : karmadhāraya (mahā+rājan)

• mahā – great, large, mighty
  adjective (masculine/feminine/neuter)
• rājan – king, ruler
  noun (masculine)
  Root: rāj

तरुणा (taruṇā) - young people (young, youthful people)

(noun)

Nominative, masculine, plural of taruṇa

taruṇa - young, youthful, fresh

Root: tṛ

Note: Used as a plural noun.

वृद्धशीलिनः (vṛddhaśīlinaḥ) - exhibit the characteristics of the old (having the nature of old people, acting like old people)

(adjective)

Nominative, masculine, plural of vṛddhaśīlin

vṛddhaśīlin - having the nature or habits of old people

possessive suffix -in

Compound type : bahuvrīhi (vṛddha+śīla)

• vṛddha – old, aged, grown, augmented
  adjective (masculine/neuter)
  Past Passive Participle
  derived from root vṛdh
  Root: vṛdh (class 1)
• śīla – nature, character, habit, conduct
  noun (neuter)
  Root: śīl (class 10)

तरुणानाम् (taruṇānām) - of the young (of the young, of youthful people)

(noun)

Genitive, masculine, plural of taruṇa

taruṇa - young, youthful, fresh

Root: tṛ

Note: Used as a plural noun.

च (ca) - and (and, also, moreover)

(indeclinable)

यत् (yat) - which (which, what, that (relative pronoun))

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, that (relative pronoun)

शीलम् (śīlam) - characteristics (nature, character, habit, conduct)

(noun)

Nominative, neuter, singular of śīla

śīla - nature, character, habit, conduct

Root: śīl (class 10)

तत् (tat) - that (that, this, it (demonstrative/anaphoric pronoun))

(pronoun)

Nominative, neuter, singular of tad

tad - that, this, it (demonstrative/anaphoric pronoun)

वृद्धेषु (vṛddheṣu) - among the old (among the old, in old people)

(noun)

Locative, masculine, plural of vṛddha

vṛddha - old, aged, grown, augmented

Past Passive Participle

derived from root vṛdh

Root: vṛdh (class 1)

Note: Used as a plural noun.

प्रजायते (prajāyate) - will be found (is born, arises, appears, occurs)

(verb)

3rd person , singular, middle, present indicative (laṭ) of pra-jan

Prefix: pra

Root: jan (class 4)