महाभारतः mahābhārataḥ - book-14, chapter-95, verse-5

पुरागस्त्यो महातेजा दीक्षां द्वादशवार्षिकीम् ।
प्रविवेश महाराज सर्वभूतहिते रतः ॥५॥

5. purāgastyo mahātejā dīkṣāṁ dvādaśavārṣikīm ,
praviveśa mahārāja sarvabhūtahite rataḥ.

5. purā agastyaḥ mahātejāḥ dīkṣām dvādaśavārṣikīm
praviveśa mahārāja sarvabhūtahite rataḥ

5. O great king, formerly, the greatly effulgent Agastya, dedicated to the welfare of all beings, commenced a twelve-year initiation (dīkṣā).

Words meanings summery:

• पुरा (purā) - formerly (formerly, in ancient times, before)

• अगस्त्यः (agastyaḥ) - the sage Agastya (Agastya (name of a revered sage))

• महातेजाः (mahātejāḥ) - greatly effulgent (of great splendor, greatly effulgent, highly energetic)

• दीक्षाम् (dīkṣām) - an initiation ceremony or vow (initiation, consecration, solemn vow, religious observance)

• द्वादशवार्षिकीम् (dvādaśavārṣikīm) - lasting twelve years (twelve-yearly, lasting twelve years)

• प्रविवेश (praviveśa) - undertook, commenced (entered, undertook, commenced)

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

• सर्वभूतहिते (sarvabhūtahite) - in the welfare of all beings (in the welfare of all beings, devoted to all creatures' good)

• रतः (rataḥ) - devoted to, intent on (devoted, intent on, engaged in, delighted in)

Words meanings and morphology

पुरा (purā) - formerly (formerly, in ancient times, before)

(indeclinable)

अगस्त्यः (agastyaḥ) - the sage Agastya (Agastya (name of a revered sage))

(proper noun)

Nominative, masculine, singular of agastya

agastya - Agastya (name of a revered sage, star Canopus)

महातेजाः (mahātejāḥ) - greatly effulgent (of great splendor, greatly effulgent, highly energetic)

(adjective)

Nominative, masculine, singular of mahātejas

mahātejas - great splendor, great energy, highly effulgent

Nominative singular masculine form of an adjective ending in -as.

Compound type : bahuvrihi (mahā+tejas)

• mahā – great, large, mighty
  adjective (feminine)
• tejas – splendor, brilliance, energy, fiery spirit
  noun (neuter)

Note: Qualifies Agastya.

दीक्षाम् (dīkṣām) - an initiation ceremony or vow (initiation, consecration, solemn vow, religious observance)

(noun)

Accusative, feminine, singular of dīkṣā

dīkṣā - initiation, consecration, solemn vow, religious observance, preparation for a Vedic ritual

Root: dīkṣ (class 1)

द्वादशवार्षिकीम् (dvādaśavārṣikīm) - lasting twelve years (twelve-yearly, lasting twelve years)

(adjective)

Accusative, feminine, singular of dvādaśavārṣika

dvādaśavārṣika - twelve-yearly, lasting twelve years

Derived from dvādaśavarṣa (twelve years) with the suffix -ika.

Compound type : tatpurusha (dvādaśan+varṣa)

• dvādaśan – twelve
  numeral
• varṣa – year, rain, cloud
  noun (neuter)

Note: Qualifies dīkṣām.

प्रविवेश (praviveśa) - undertook, commenced (entered, undertook, commenced)

(verb)

3rd person , singular, active, past perfect (Lit) of praviś

Perfect (Lit) 3rd singular

Root √viś (6th class Parasmaipada) with upasarga 'pra-'.

Prefix: pra

Root: viś (class 6)

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

(noun)

Vocative, masculine, singular of mahārāja

mahārāja - great king, emperor, sovereign

Compound type : karmadhāraya (mahā+rājan)

• mahā – great, large, mighty
  adjective (feminine)
• rājan – king, ruler
  noun (masculine)

सर्वभूतहिते (sarvabhūtahite) - in the welfare of all beings (in the welfare of all beings, devoted to all creatures' good)

(noun)

Locative, neuter, singular of sarvabhūtahita

sarvabhūtahita - welfare of all beings, good of all creatures

Compound type : tatpurusha (sarva+bhūta+hita)

• sarva – all, every, whole
  adjective
• bhūta – being, creature, element, past
  noun (neuter)
  Past Passive Participle
  From root √bhū (to be, become).
  Root: bhū (class 1)
• hita – welfare, good, beneficial
  noun (neuter)
  Past Passive Participle
  From root √dhā (to place) or √hi (to please). Here meaning 'welfare' or 'benefit'.
  Root: dhā (class 3)

Note: Refers to the objective of Agastya's devotion.

रतः (rataḥ) - devoted to, intent on (devoted, intent on, engaged in, delighted in)

(adjective)

Nominative, masculine, singular of rata

rata - devoted, intent on, engaged in, delighted in, attached to

Past Passive Participle

From root √ram (to delight, to rest) + kta suffix.

Root: ram (class 1)

Note: Used predicatively with Agastya, meaning 'Agastya was devoted'.