महाभारतः mahābhārataḥ - book-3, chapter-101, verse-13

तेऽभिगम्य महात्मानं मैत्रावरुणिमच्युतम् ।
आश्रमस्थं तपोराशिं कर्मभिः स्वैरभिष्टुवन् ॥१३॥

13. te'bhigamya mahātmānaṁ maitrāvaruṇimacyutam ,
āśramasthaṁ taporāśiṁ karmabhiḥ svairabhiṣṭuvan.

13. te abhigamya mahātmānam maitrāvaruṇim acyutam
āśramastham tapaḥrāśim karmabhiḥ svaiḥ abhiṣṭuvan

13. Having approached the great-souled, unswerving son of Mitra and Varuṇa (Agastya), who resided in his hermitage and was a great accumulation of asceticism (tapas), they praised him with their own appropriate actions (karma).

Words meanings summery:

• ते (te) - they (the gods) (they, those)

• अभिगम्य (abhigamya) - having approached, having gone to

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

• मैत्रावरुणिम् (maitrāvaruṇim) - Agastya (as the son of Mitra and Varuṇa) (son of Mitra and Varuṇa)

• अच्युतम् (acyutam) - the unswerving (sage Agastya) (unswerving, imperishable, eternal, firm)

• आश्रमस्थम् (āśramastham) - dwelling in the hermitage (dwelling in a hermitage, residing in a sacred retreat)

• तपःराशिम् (tapaḥrāśim) - a great accumulation of asceticism (tapas) (a heap of asceticism, an accumulation of penance)

• कर्मभिः (karmabhiḥ) - with their own appropriate actions (karma) (by actions, by deeds, by rituals)

• स्वैः (svaiḥ) - by their own (actions) (by one's own, by their own)

• अभिष्टुवन् (abhiṣṭuvan) - they praised, they extolled

Words meanings and morphology

ते (te) - they (the gods) (they, those)

(pronoun)

Nominative, masculine, plural of tad

tad - that, those

अभिगम्य (abhigamya) - having approached, having gone to

(indeclinable)

absolutive

abhi + gam + lyap suffix

Prefix: abhi

Root: gam (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)

मैत्रावरुणिम् (maitrāvaruṇim) - Agastya (as the son of Mitra and Varuṇa) (son of Mitra and Varuṇa)

(proper noun)

Accusative, masculine, singular of maitrāvaruṇi

maitrāvaruṇi - son of Mitra and Varuṇa, Agastya

Patronymic from Mitrāvaruṇau (Mitra and Varuṇa)

अच्युतम् (acyutam) - the unswerving (sage Agastya) (unswerving, imperishable, eternal, firm)

(adjective)

Accusative, masculine, singular of acyuta

acyuta - unswerving, imperishable, firm, not fallen

Past Passive Participle (negative)

a (negation) + cyuta (PPP of root cyu 'to fall')

Root: cyu (class 1)

आश्रमस्थम् (āśramastham) - dwelling in the hermitage (dwelling in a hermitage, residing in a sacred retreat)

(adjective)

Accusative, masculine, singular of āśramastha

āśramastha - dwelling in a hermitage, residing in a sacred retreat

Compound type : tatpurusha (āśrama+stha)

• āśrama – hermitage, monastery, sacred retreat
  noun (masculine)
• stha – standing, abiding, situated
  adjective (masculine)
  From root sthā 'to stand'
  Root: sthā (class 1)

तपःराशिम् (tapaḥrāśim) - a great accumulation of asceticism (tapas) (a heap of asceticism, an accumulation of penance)

(noun)

Accusative, masculine, singular of tapaḥrāśi

tapaḥrāśi - a heap of asceticism, an accumulation of penance

Compound type : tatpurusha (tapas+rāśi)

• tapas – asceticism, penance, religious austerity, heat
  noun (neuter)
  Root: tap (class 1)
• rāśi – heap, mass, collection, pile
  noun (masculine)

कर्मभिः (karmabhiḥ) - with their own appropriate actions (karma) (by actions, by deeds, by rituals)

(noun)

Instrumental, neuter, plural of karman

karman - action, deed, work, ritual (karma)

From root kṛ 'to do'

Root: kṛ (class 8)

स्वैः (svaiḥ) - by their own (actions) (by one's own, by their own)

(adjective)

Instrumental, masculine, plural of sva

sva - one's own, self, own people, wealth

अभिष्टुवन् (abhiṣṭuvan) - they praised, they extolled

(verb)

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

Prefix: abhi

Root: stu (class 2)