महाभारतः mahābhārataḥ - book-6, chapter-11, verse-5

चत्वारि च सहस्राणि वर्षाणां कुरुसत्तम ।
आयुःसंख्या कृतयुगे संख्याता राजसत्तम ॥५॥

5. catvāri ca sahasrāṇi varṣāṇāṁ kurusattama ,
āyuḥsaṁkhyā kṛtayuge saṁkhyātā rājasattama.

5. catvāri ca sahasrāṇi varṣāṇām kurusattama
āyuḥsaṃkhyā kṛtayuge saṃkhyātā rājasattama

5. kurusattama rājasattama kṛtayuge āyuḥsaṃkhyā
catvāri ca sahasrāṇi varṣāṇām saṃkhyātā

5. O best of the Kurus, O foremost of kings, the life-span (āyuḥsaṃkhyā) in the Kṛta Yuga is reckoned as four thousand years.

Words meanings summery:

• चत्वारि (catvāri) - four

• च (ca) - and

• सहस्राणि (sahasrāṇi) - thousands

• वर्षाणाम् (varṣāṇām) - of years

• कुरुसत्तम (kurusattama) - O Dhṛtarāṣṭra (O best of Kurus)

• आयुःसंख्या (āyuḥsaṁkhyā) - the calculation of life-span, number of years of life

• कृतयुगे (kṛtayuge) - in the Kṛta Yuga

• संख्याता (saṁkhyātā) - calculated, reckoned

• राजसत्तम (rājasattama) - O Dhṛtarāṣṭra (O best of kings)

Words meanings and morphology

चत्वारि (catvāri) - four

(numeral adjective)

च (ca) - and

(indeclinable)

सहस्राणि (sahasrāṇi) - thousands

(numeral noun)

वर्षाणाम् (varṣāṇām) - of years

(noun)

Genitive, neuter, plural of varṣa

varṣa - year, rain, region

कुरुसत्तम (kurusattama) - O Dhṛtarāṣṭra (O best of Kurus)

(compound noun)

Compound type : tatpuruṣa (kuru+sattama)

• kuru – name of an ancient king or his descendants, the Kurus
  proper noun (masculine)
• sattama – best, most excellent
  adjective (masculine)
  Superlative degree from sat (good, existing)
  Root: as (class 2)

आयुःसंख्या (āyuḥsaṁkhyā) - the calculation of life-span, number of years of life

(compound noun)

Compound type : ṣaṣṭhī-tatpuruṣa (āyus+saṃkhyā)

• āyus – life, vitality, duration of life
  noun (neuter)
• saṃkhyā – number, reckoning, calculation
  noun (feminine)
  Derived from saṃ-√khyā (to enumerate)
  Prefix: sam
  Root: khyā (class 2)

कृतयुगे (kṛtayuge) - in the Kṛta Yuga

(proper noun)

Locative, neuter, singular of kṛtayuga

kṛtayuga - the Kṛta Yuga, the first age

Compound type : karmadhāraya (kṛta+yuga)

• kṛta – done, made, perfect
  adjective (neuter)
  Past Passive Participle
  Past Passive Participle of √kṛ
  Root: kṛ (class 8)
• yuga – age, epoch, period, pair
  noun (neuter)

संख्याता (saṁkhyātā) - calculated, reckoned

(adjective)

Nominative, feminine, singular of saṃkhyāta

saṁkhyāta - enumerated, counted, calculated, reckoned

Past Passive Participle

Past Passive Participle of saṃ-√khyā.

Prefix: sam

Root: khyā (class 2)

राजसत्तम (rājasattama) - O Dhṛtarāṣṭra (O best of kings)

(compound noun)

Compound type : tatpuruṣa (rājan+sattama)

• rājan – king, ruler
  noun (masculine)
• sattama – best, most excellent
  adjective (masculine)
  Superlative degree from sat (good, existing)
  Root: as (class 2)