महाभारतः mahābhārataḥ - book-3, chapter-86, verse-14

तत्रैव तृणसोमाग्नेः संपन्नफलमूलवान् ।
आश्रमोऽगस्त्यशिष्यस्य पुण्यो देवसभे गिरौ ॥१४॥

14. tatraiva tṛṇasomāgneḥ saṁpannaphalamūlavān ,
āśramo'gastyaśiṣyasya puṇyo devasabhe girau.

14. tatra eva tṛṇasomāgneḥ sampannaphalamūlavān
āśramaḥ agastyaśiṣyasya puṇyaḥ devasabhe girau

14. Right there, on Mount Devasabhā, is the sacred hermitage (āśrama) of Agastya's disciple Tṛṇasomāgni, abundant with fruits and roots.

Words meanings summery:

• तत्र (tatra) - there, in that place

• एव (eva) - indeed, only, just, exactly

• तृणसोमाग्नेः (tṛṇasomāgneḥ) - of Agastya's disciple named Tṛṇasomāgni (of Tṛṇasomāgni)

• सम्पन्नफलमूलवान् (sampannaphalamūlavān) - (the hermitage) rich in fruits and roots (possessed of abundant fruits and roots)

• आश्रमः (āśramaḥ) - hermitage, retreat

• अगस्त्यशिष्यस्य (agastyaśiṣyasya) - of Agastya's disciple

• पुण्यः (puṇyaḥ) - sacred, holy, meritorious

• देवसभे (devasabhe) - on Mount Devasabhā (on Devasabhā (mountain name), in the assembly of gods)

• गिरौ (girau) - on the mountain

Words meanings and morphology

तत्र (tatra) - there, in that place

(indeclinable)

Locative sense from 'tad' (that)

एव (eva) - indeed, only, just, exactly

(indeclinable)

तृणसोमाग्नेः (tṛṇasomāgneḥ) - of Agastya's disciple named Tṛṇasomāgni (of Tṛṇasomāgni)

(proper noun)

Genitive, masculine, singular of tṛṇasomāgni

tṛṇasomāgni - Tṛṇasomāgni (name of a sage/disciple)

Compound type : dvandva (tṛṇa+soma+agni)

• tṛṇa – grass, a blade of grass
  noun (neuter)
• soma – Soma plant, Soma juice; the Moon god; name of a mythical figure
  noun (masculine)
• agni – fire; the god Agni; sacrificial fire
  noun (masculine)

सम्पन्नफलमूलवान् (sampannaphalamūlavān) - (the hermitage) rich in fruits and roots (possessed of abundant fruits and roots)

(adjective)

Nominative, masculine, singular of sampannaphalamūlavat

sampannaphalamūlavat - abundant in fruits and roots, possessed of complete fruits and roots

Suffix -vat (possessive) applied to a compound noun.

Compound type : bahuvrīhi (sampanna+phala+mūla+vat)

• sampanna – accomplished, complete, abundant, prosperous
  adjective
  Past Passive Participle
  Formed from sam- + √pad (to go, fall, obtain)
  Prefix: sam
  Root: pad (class 4)
• phala – fruit, result, reward
  noun (neuter)
• mūla – root, origin, source
  noun (neuter)
• vat – possessed of, having
  suffix
  Possessive suffix

आश्रमः (āśramaḥ) - hermitage, retreat

(noun)

Nominative, masculine, singular of āśrama

āśrama - hermitage, retreat; a stage of life (āśrama)

From ā- + √śram (to toil, exert)

Prefix: ā

Root: śram (class 4)

अगस्त्यशिष्यस्य (agastyaśiṣyasya) - of Agastya's disciple

(noun)

Genitive, masculine, singular of agastyaśiṣya

agastyaśiṣya - Agastya's disciple

Compound type : ṣaṣṭhī-tatpuruṣa (agastya+śiṣya)

• agastya – Agastya (name of a revered Vedic sage)
  proper noun (masculine)
• śiṣya – disciple, pupil
  noun (masculine)
  Gerundive
  From √śās (to teach, instruct)
  Root: śās (class 2)

पुण्यः (puṇyaḥ) - sacred, holy, meritorious

(adjective)

Nominative, masculine, singular of puṇya

puṇya - sacred, holy, meritorious; virtue, moral or religious merit

देवसभे (devasabhe) - on Mount Devasabhā (on Devasabhā (mountain name), in the assembly of gods)

(proper noun)

Locative, feminine, singular of devasabhā

devasabhā - assembly of gods; name of a mountain

Compound type : ṣaṣṭhī-tatpuruṣa (deva+sabhā)

• deva – god, deity; divine
  noun (masculine)
• sabhā – assembly, council, court, hall
  noun (feminine)

गिरौ (girau) - on the mountain

(noun)

Locative, masculine, singular of giri

giri - mountain, hill