महाभारतः mahābhārataḥ - book-1, chapter-93, verse-11

अथ तद्वनमाजग्मुः कदाचिद्भरतर्षभ ।
पृथ्वाद्या वसवः सर्वे देवदेवर्षिसेवितम् ॥११॥

11. atha tadvanamājagmuḥ kadācidbharatarṣabha ,
pṛthvādyā vasavaḥ sarve devadevarṣisevitam.

11. atha tat vanam ājagmuḥ kadācit bharatarṣabha
pṛthvādyāḥ vasavaḥ sarve devadevarṣisevitam

11. Then, O best of Bharatas, once all the Vasus, headed by Pṛthu, came to that forest, which was frequented by gods and divine sages.

Words meanings summery:

• अथ (atha) - then (now, then, thereupon)

• तत् (tat) - that (that, it (neuter))

• वनम् (vanam) - forest (forest, wood)

• आजग्मुः (ājagmuḥ) - they arrived (they came, they arrived)

• कदाचित् (kadācit) - once (once, sometimes, at some time)

• भरतर्षभ (bharatarṣabha) - O best of Bharatas (vocative) (O best of Bharatas, O bull of Bharatas)

• पृथ्वाद्याः (pṛthvādyāḥ) - headed by Pṛthu (Pṛthu and others, led by Pṛthu)

• वसवः (vasavaḥ) - the Vasus (Vasus (a class of deities))

• सर्वे (sarve) - all (all, everyone (masculine plural nominative))

• देवदेवर्षिसेवितम् (devadevarṣisevitam) - frequented by gods and divine sages

Words meanings and morphology

अथ (atha) - then (now, then, thereupon)

(indeclinable)

तत् (tat) - that (that, it (neuter))

(pronoun)

Accusative, neuter, singular of tad

tad - that, those

वनम् (vanam) - forest (forest, wood)

(noun)

Accusative, neuter, singular of vana

vana - forest, wood, grove, thicket

आजग्मुः (ājagmuḥ) - they arrived (they came, they arrived)

(verb)

3rd person , plural, active, perfect (liṭ) of āgam

Prefix: ā

Root: gam (class 1)

Note: perfect tense

कदाचित् (kadācit) - once (once, sometimes, at some time)

(indeclinable)

भरतर्षभ (bharatarṣabha) - O best of Bharatas (vocative) (O best of Bharatas, O bull of Bharatas)

(noun)

Vocative, masculine, singular of bharatarṣabha

bharatarṣabha - best of Bharatas, bull among Bharatas (an epithet for a strong hero, often Yudhiṣṭhira)

bharata + ṛṣabha

Compound type : tatpurusha (bharata+ṛṣabha)

• bharata – descendant of Bharata, name of a king, a member of the Bharata lineage
  proper noun (masculine)
  Root: bhṛ (class 1)
• ṛṣabha – bull, best, chief, excellent one
  noun (masculine)

पृथ्वाद्याः (pṛthvādyāḥ) - headed by Pṛthu (Pṛthu and others, led by Pṛthu)

(noun)

Nominative, masculine, plural of pṛthvādyā

pṛthvādyā - Pṛthu and others, headed by Pṛthu

pṛthu + ādya

Compound type : bahuvrihi (pṛthu+ādya)

• pṛthu – Pṛthu (name of a king, one of the Vasus)
  proper noun (masculine)
  Root: pṛth (class 6)
• ādya – first, chief, beginning with, and others
  adjective
  from ādi + ya

वसवः (vasavaḥ) - the Vasus (Vasus (a class of deities))

(proper noun)

Nominative, masculine, plural of vasu

vasu - a class of deities, wealth, good

सर्वे (sarve) - all (all, everyone (masculine plural nominative))

(pronoun)

Nominative, masculine, plural of sarva

sarva - all, every, whole

देवदेवर्षिसेवितम् (devadevarṣisevitam) - frequented by gods and divine sages

(adjective)

Accusative, neuter, singular of devadevarṣisevita

devadevarṣisevita - frequented or honored by gods and divine sages

past passive participle (from √sev)

compound of deva, devarṣi, sevita

Compound type : tatpurusha (deva+devarṣi+sevita)

• deva – god, deity, divine, celestial
  noun (masculine)
  from √div
  Root: div (class 4)
• devarṣi – divine sage, celestial sage (e.g., Nārada)
  noun (masculine)
  deva + ṛṣi
• sevita – served, attended, frequented, honored (past passive participle)
  adjective (neuter)
  past passive participle
  from √sev
  Root: sev (class 1)

Note: past passive participle