महाभारतः mahābhārataḥ - book-14, chapter-93, verse-44

धर्माद्या हि यथा त्रेता वह्नित्रेता तथैव च ।
तथैव पुत्रपौत्राणां स्वर्गे त्रेता किलाक्षया ॥४४॥

44. dharmādyā hi yathā tretā vahnitretā tathaiva ca ,
tathaiva putrapautrāṇāṁ svarge tretā kilākṣayā.

44. dharma-ādyāḥ hi yathā tretā vahni-tretā tathā eva ca
tathā eva putra-pautrāṇām svarge tretā kila akṣayā

44. hi yathā dharma-ādyāḥ tretā (asti)
tathā eva ca vahni-tretā
(asti) tathā eva ca putra-pautrāṇām
svarge akṣayā tretā kila (asti)

44. Indeed, just as the primary principles (dharma) and others are considered a triad, and similarly the triad of sacred fires is established, so too, for sons and grandsons, there is certainly an imperishable triad in heaven.

Words meanings summery:

• धर्म-आद्याः (dharma-ādyāḥ) - beginning with dharma, dharma and others

• हि (hi) - indeed, surely, for

• यथा (yathā) - just as, as, in which way

• त्रेता (tretā) - a triad, a group of three (referring to a set of three items or blessings) (a triad, a group of three; the Tretā age)

• वह्नि-त्रेता (vahni-tretā) - triad of fires, the three sacred fires

• तथा (tathā) - so, thus, similarly

• एव (eva) - indeed, just, only

• च (ca) - and, also, moreover

• तथा (tathā) - so, thus, similarly

• एव (eva) - indeed, just, only

• पुत्र-पौत्राणाम् (putra-pautrāṇām) - of sons and grandsons

• स्वर्गे (svarge) - in heaven, in the celestial realm

• त्रेता (tretā) - a triad, a group of three (referring to a set of three items or blessings) (a triad, a group of three; the Tretā age)

• किल (kila) - certainly, indeed, it is said

• अक्षया (akṣayā) - imperishable, eternal, undecaying

Words meanings and morphology

धर्म-आद्याः (dharma-ādyāḥ) - beginning with dharma, dharma and others

(noun)

Nominative, masculine, plural of dharma-ādi

dharma-ādi - dharma and so on; principles starting with dharma

Compound type : tatpurusha (dharma+ādi)

• dharma – natural law, intrinsic nature, constitution, duty
  noun (masculine)
• ādi – beginning, and so on, etc.
  noun (masculine)

हि (hi) - indeed, surely, for

(indeclinable)

यथा (yathā) - just as, as, in which way

(indeclinable)

त्रेता (tretā) - a triad, a group of three (referring to a set of three items or blessings) (a triad, a group of three; the Tretā age)

(noun)

Nominative, feminine, singular of tretā

tretā - a triad, a group of three; the Tretā age (the second Yuga)

वह्नि-त्रेता (vahni-tretā) - triad of fires, the three sacred fires

(noun)

Nominative, feminine, singular of vahni-tretā

vahni-tretā - the three sacred fires (Gārhapatya, Āhavanīya, Dakṣiṇāgni)

Compound type : karmadhāraya (vahni+tretā)

• vahni – fire, Agni (god of fire)
  noun (masculine)
• tretā – a triad, a group of three
  noun (feminine)

तथा (tathā) - so, thus, similarly

(indeclinable)

एव (eva) - indeed, just, only

(indeclinable)

च (ca) - and, also, moreover

(indeclinable)

तथा (tathā) - so, thus, similarly

(indeclinable)

एव (eva) - indeed, just, only

(indeclinable)

पुत्र-पौत्राणाम् (putra-pautrāṇām) - of sons and grandsons

(noun)

Genitive, masculine, plural of putra-pautra

putra-pautra - sons and grandsons

Compound type : dvandva (putra+pautra)

• putra – son
  noun (masculine)
• pautra – grandson
  noun (masculine)

स्वर्गे (svarge) - in heaven, in the celestial realm

(noun)

Locative, masculine, singular of svarga

svarga - heaven, paradise, celestial realm

त्रेता (tretā) - a triad, a group of three (referring to a set of three items or blessings) (a triad, a group of three; the Tretā age)

(noun)

Nominative, feminine, singular of tretā

tretā - a triad, a group of three; the Tretā age (the second Yuga)

किल (kila) - certainly, indeed, it is said

(indeclinable)

अक्षया (akṣayā) - imperishable, eternal, undecaying

(adjective)

Nominative, feminine, singular of akṣaya

akṣaya - imperishable, eternal, undecaying

Negation (a-) of kṣaya (decay)

Compound type : nañ-tatpuruṣa (a+kṣaya)

• a – not, un-
  indeclinable
• kṣaya – decay, destruction, loss
  noun (masculine)
  Root: kṣi (class 1)