महाभारतः mahābhārataḥ - book-3, chapter-101, verse-12

तत्रापश्यन्महात्मानं वारुणिं दीप्ततेजसम् ।
उपास्यमानमृषिभिर्देवैरिव पितामहम् ॥१२॥

12. tatrāpaśyanmahātmānaṁ vāruṇiṁ dīptatejasam ,
upāsyamānamṛṣibhirdevairiva pitāmaham.

12. tatra apaśyan mahātmānam vāruṇim dīptatejasam
upāsyamānam ṛṣibhiḥ devaiḥ iva pitāmaham

12. There they saw the great-souled son of Varuṇa, Agastya, who possessed blazing splendor. He was being attended by sages, just as Brahmā (Pitāmaha) is served by the gods.

Words meanings summery:

• तत्र (tatra) - there, in that place

• अपश्यन् (apaśyan) - they saw

• महात्मानम् (mahātmānam) - the great-souled (Agastya) (the great-souled one, noble-minded)

• वारुणिम् (vāruṇim) - Agastya (as the son of Varuṇa) (son of Varuṇa)

• दीप्ततेजसम् (dīptatejasam) - possessing blazing splendor (of blazing splendor, radiant)

• उपास्यमानम् (upāsyamānam) - being attended (by sages) (being served, being worshipped, being attended)

• ऋषिभिः (ṛṣibhiḥ) - by sages, by seers

• देवैः (devaiḥ) - by gods, by divine beings

• इव (iva) - like, as, as if

• पितामहम् (pitāmaham) - Brahmā (Pitāmaha) (grandfather, Brahmā)

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

अपश्यन् (apaśyan) - they saw

(verb)

3rd person , plural, active, imperfect (laṅ) of dṛś

Root: dṛś (class 1)

महात्मानम् (mahātmānam) - the great-souled (Agastya) (the great-souled one, noble-minded)

(noun)

Accusative, masculine, singular of mahātman

mahātman - great-souled, noble, sublime self

Compound type : karmadhāraya (mahat+ātman)

• mahat – great, large, mighty
  adjective (neuter)
• ātman – self, soul, spirit, essence
  noun (masculine)

वारुणिम् (vāruṇim) - Agastya (as the son of Varuṇa) (son of Varuṇa)

(proper noun)

Accusative, masculine, singular of vāruṇi

vāruṇi - son of Varuṇa, Agastya

Patronymic from Varuṇa

दीप्ततेजसम् (dīptatejasam) - possessing blazing splendor (of blazing splendor, radiant)

(adjective)

Accusative, masculine, singular of dīptatejas

dīptatejas - of blazing splendor, radiant, brilliant

Compound type : karmadhāraya (dīpta+tejas)

• dīpta – blazing, shining, ignited
  adjective (neuter)
  Past Passive Participle
  root dīp + kta
  Root: dīp (class 4)
• tejas – splendor, brilliance, energy, fiery spirit
  noun (neuter)

उपास्यमानम् (upāsyamānam) - being attended (by sages) (being served, being worshipped, being attended)

(adjective)

Accusative, masculine, singular of upāsyamāna

upāsyamāna - being served, being worshipped, being attended

Present Passive Participle

upa + ās + śānac suffix

Prefix: upa

Root: ās (class 2)

ऋषिभिः (ṛṣibhiḥ) - by sages, by seers

(noun)

Instrumental, masculine, plural of ṛṣi

ṛṣi - sage, seer, inspired poet

देवैः (devaiḥ) - by gods, by divine beings

(noun)

Instrumental, masculine, plural of deva

deva - god, deity

इव (iva) - like, as, as if

(indeclinable)

पितामहम् (pitāmaham) - Brahmā (Pitāmaha) (grandfather, Brahmā)

(proper noun)

Accusative, masculine, singular of pitāmaha

pitāmaha - grandfather; Brahmā (the creator god)