महाभारतः mahābhārataḥ - book-12, chapter-193, verse-12

गन्धर्वश्चित्रसेनश्च परिवारगणैर्युतः ।
नागाः सिद्धाश्च मुनयो देवदेवः प्रजापतिः ।
विष्णुः सहस्रशीर्षश्च देवोऽचिन्त्यः समागमत् ॥१२॥

12. gandharvaścitrasenaśca parivāragaṇairyutaḥ ,
nāgāḥ siddhāśca munayo devadevaḥ prajāpatiḥ ,
viṣṇuḥ sahasraśīrṣaśca devo'cintyaḥ samāgamat.

12. gandharvaḥ citrasenaḥ ca parivāragaṇaiḥ
yutaḥ nāgāḥ siddhāḥ ca munayaḥ
devadevaḥ prajāpatiḥ viṣṇuḥ
sahasraśīrṣaḥ ca devaḥ acintyaḥ samāgamat

12. parivāragaṇaiḥ yutaḥ gandharvaḥ
citrasenaḥ ca nāgāḥ siddhāḥ ca munayaḥ
devadevaḥ prajāpatiḥ viṣṇuḥ
sahasraśīrṣaḥ ca acintyaḥ devaḥ samāgamat

12. The Gandharvas, and Citrasena accompanied by his retinue of attendants; the Nāgas, Siddhas, and sages; Prajāpati, the lord of gods; and Viṣṇu, the thousand-headed, the inconceivable deity, all assembled.

Words meanings summery:

• गन्धर्वः (gandharvaḥ) - the Gandharvas (celestial musicians), here likely a collective or representative (the Gandharva(s))

• चित्रसेनः (citrasenaḥ) - Citrasena (name of a Gandharva king)

• च (ca) - and, also

• परिवारगणैः (parivāragaṇaiḥ) - by groups of attendants, with his retinue

• युतः (yutaḥ) - endowed with, accompanied by, joined with

• नागाः (nāgāḥ) - the Nāgas (serpent deities)

• सिद्धाः (siddhāḥ) - the Siddhas (perfected beings)

• च (ca) - and, also

• मुनयः (munayaḥ) - sages, ascetics

• देवदेवः (devadevaḥ) - god of gods, lord of gods

• प्रजापतिः (prajāpatiḥ) - Prajāpati (lord of creatures, a name for Brahmā or other creators)

• विष्णुः (viṣṇuḥ) - Viṣṇu

• सहस्रशीर्षः (sahasraśīrṣaḥ) - thousand-headed

• च (ca) - and, also

• देवः (devaḥ) - god, deity

• अचिन्त्यः (acintyaḥ) - inconceivable, unthinkable

• समागमत् (samāgamat) - came together, assembled

Words meanings and morphology

गन्धर्वः (gandharvaḥ) - the Gandharvas (celestial musicians), here likely a collective or representative (the Gandharva(s))

(noun)

Nominative, masculine, singular of gandharva

gandharva - a celestial musician, a Gandharva

Note: Used as a collective noun here.

चित्रसेनः (citrasenaḥ) - Citrasena (name of a Gandharva king)

(proper noun)

Nominative, masculine, singular of citrasena

citrasena - Citrasena (name of a prominent Gandharva king)

Compound type : tatpuruṣa (citra+sena)

• citra – bright, clear, diverse, wonderful
  adjective
• sena – army, host, commander
  noun (masculine)

च (ca) - and, also

(indeclinable)

परिवारगणैः (parivāragaṇaiḥ) - by groups of attendants, with his retinue

(noun)

Instrumental, masculine, plural of parivāragaṇa

parivāragaṇa - host of attendants, retinue, group of followers

Compound type : tatpuruṣa (parivāra+gaṇa)

• parivāra – retinue, attendants, family
  noun (masculine)
  Prefix: pari
  Root: vṛ (class 10)
• gaṇa – group, multitude, host, troop
  noun (masculine)

युतः (yutaḥ) - endowed with, accompanied by, joined with

(adjective)

Nominative, masculine, singular of yuta

yuta - joined, united, endowed with, accompanied, connected

Past Passive Participle

Derived from root yuñj/yuj with suffix -ta

Root: yuj (class 7)

नागाः (nāgāḥ) - the Nāgas (serpent deities)

(noun)

Nominative, masculine, plural of nāga

nāga - serpent, snake, Nāga (a semi-divine race, often depicted as having human heads and serpent bodies)

सिद्धाः (siddhāḥ) - the Siddhas (perfected beings)

(noun)

Nominative, masculine, plural of siddha

siddha - accomplished, perfected, successful, a perfected being with supernatural powers

Past Passive Participle

Derived from root sidh (to accomplish, succeed)

Root: sidh (class 4)

च (ca) - and, also

(indeclinable)

मुनयः (munayaḥ) - sages, ascetics

(noun)

Nominative, masculine, plural of muni

muni - sage, ascetic, seer, inspired person

देवदेवः (devadevaḥ) - god of gods, lord of gods

(noun)

Nominative, masculine, singular of devadeva

devadeva - god of gods, chief deity, lord of the gods

Compound type : tatpuruṣa (deva+deva)

• deva – god, deity
  noun (masculine)
  Root: div (class 4)
• deva – god, deity
  noun (masculine)
  Root: div (class 4)

प्रजापतिः (prajāpatiḥ) - Prajāpati (lord of creatures, a name for Brahmā or other creators)

(proper noun)

Nominative, masculine, singular of prajāpati

prajāpati - lord of creatures, progenitor, creator, a title for Brahmā, Viṣṇu, etc.

Compound type : tatpuruṣa (prajā+pati)

• prajā – offspring, progeny, creatures, subjects
  noun (feminine)
  Prefix: pra
  Root: jan (class 4)
• pati – lord, master, husband
  noun (masculine)

विष्णुः (viṣṇuḥ) - Viṣṇu

(proper noun)

Nominative, masculine, singular of viṣṇu

viṣṇu - Viṣṇu (a major Hindu deity, the preserver god)

सहस्रशीर्षः (sahasraśīrṣaḥ) - thousand-headed

(adjective)

Nominative, masculine, singular of sahasraśīrṣa

sahasraśīrṣa - thousand-headed (an epithet of Viṣṇu/Puruṣa)

Compound type : bahuvrīhi (sahasra+śīrṣa)

• sahasra – thousand
  numeral (neuter)
• śīrṣa – head, top
  noun (neuter)

च (ca) - and, also

(indeclinable)

देवः (devaḥ) - god, deity

(noun)

Nominative, masculine, singular of deva

deva - god, deity, divine being, celestial

Root: div (class 4)

अचिन्त्यः (acintyaḥ) - inconceivable, unthinkable

(adjective)

Nominative, masculine, singular of acintya

acintya - unthinkable, inconceivable, incomprehensible, not to be thought of

Gerundive

Negated gerundive from root cint (to think)

Compound type : nañ-tatpuruṣa (a+cintya)

• a – not, non-, un-
  indeclinable
• cintya – to be thought of, conceivable
  adjective
  Gerundive
  Derived from root cint (to think)
  Root: cint (class 10)

समागमत् (samāgamat) - came together, assembled

(verb)

3rd person , singular, active, past imperfect (laṅ) of samāgam

Aorist form (laṅ)

Prefixes: sam+ā

Root: gam (class 1)