महाभारतः mahābhārataḥ - book-1, chapter-213, verse-79

एकवर्षान्तरास्त्वेव द्रौपदेया यशस्विनः ।
अन्वजायन्त राजेन्द्र परस्परहिते रताः ॥७९॥

79. ekavarṣāntarāstveva draupadeyā yaśasvinaḥ ,
anvajāyanta rājendra parasparahite ratāḥ.

79. eka-varṣa-antarāḥ tu eva draupadeyāḥ yaśasvinaḥ
anvajāyanta rājendra paraspara-hite ratāḥ

79. O king of kings (rājendra), these illustrious sons of Draupadī were born one after another, with an interval of exactly one year between them, and they were devoted to each other's welfare.

Words meanings summery:

• एक-वर्ष-अन्तराः (eka-varṣa-antarāḥ) - having one year's interval, with an interval of a year

• तु (tu) - indeed, but, however

• एव (eva) - exactly, only, indeed

• द्रौपदेयाः (draupadeyāḥ) - the sons of Draupadī

• यशस्विनः (yaśasvinaḥ) - illustrious, famous, glorious

• अन्वजायन्त (anvajāyanta) - were born after, followed in birth

• राजेन्द्र (rājendra) - O king of kings!

• परस्पर-हिते (paraspara-hite) - in each other's welfare, for mutual benefit

• रताः (ratāḥ) - devoted, engaged, fond of, pleased

Words meanings and morphology

एक-वर्ष-अन्तराः (eka-varṣa-antarāḥ) - having one year's interval, with an interval of a year

(adjective)

Nominative, masculine, plural of eka-varṣa-antara

eka-varṣa-antara - having an interval of one year

Compound type : bahuvrīhi (eka+varṣa+antara)

• eka – one, single
  numeral/adjective (masculine)
• varṣa – year, rain
  noun (neuter)
• antara – interval, difference, inner; other, between
  noun (neuter)

तु (tu) - indeed, but, however

(indeclinable)

एव (eva) - exactly, only, indeed

(indeclinable)

द्रौपदेयाः (draupadeyāḥ) - the sons of Draupadī

(noun)

Nominative, masculine, plural of draupadeya

draupadeya - son of Draupadī

Taddhita derivative from 'draupadī'

यशस्विनः (yaśasvinaḥ) - illustrious, famous, glorious

(adjective)

Nominative, masculine, plural of yaśasvin

yaśasvin - famous, glorious, renowned, splendid

Suffixed with '-vin' (possessing)

अन्वजायन्त (anvajāyanta) - were born after, followed in birth

(verb)

3rd person , plural, middle, imperfect (laṅ) of anu-jan

Imperfect 3rd person plural middle of root 'jan' with prefix 'anu'

Prefix: anu

Root: jan (class 4)

राजेन्द्र (rājendra) - O king of kings!

(noun)

Vocative, masculine, singular of rājendra

rājendra - lord of kings, chief of kings

Compound type : tatpuruṣa (rājan+indra)

• rājan – king, monarch
  noun (masculine)
• indra – Indra (a deity), chief, best
  noun (masculine)

परस्पर-हिते (paraspara-hite) - in each other's welfare, for mutual benefit

(noun)

Locative, neuter, singular of paraspara-hita

paraspara-hita - mutual welfare, benefit of one another

Compound type : tatpuruṣa (paraspara+hita)

• paraspara – each other, mutual, reciprocal
  pronoun/adjective (neuter)
• hita – welfare, benefit, good; placed, fit
  noun (neuter)
  past passive participle
  Past passive participle of root 'dhā' (to place) + prefix 'hi' (often means 'beneficial')
  Root: dhā (class 3)

रताः (ratāḥ) - devoted, engaged, fond of, pleased

(adjective)

Nominative, masculine, plural of rata

rata - pleased, delighted, engaged in, devoted to, fond of

past passive participle

Past passive participle of root 'ram' (to delight, be pleased)

Root: ram (class 1)