महाभारतः mahābhārataḥ - book-13, chapter-136, verse-12

आदिमध्यावसानानां ज्ञातारश्छिन्नसंशयाः ।
परावरविशेषज्ञा गन्तारः परमां गतिम् ॥१२॥

12. ādimadhyāvasānānāṁ jñātāraśchinnasaṁśayāḥ ,
parāvaraviśeṣajñā gantāraḥ paramāṁ gatim.

12. ādimadhyāvasānānām jñātāraḥ chinnasaṃśayāḥ
parāvaraviśeṣajñāḥ gantāraḥ paramām gatim

12. ādimadhyāvasānānām jñātāraḥ chinnasaṃśayāḥ
parāvaraviśeṣajñāḥ paramām gatim gantāraḥ

12. They are knowers of beginnings, middles, and ends, with their doubts completely dispelled. They possess distinct knowledge of the higher and the lower, and they are destined to attain the supreme state (paramāṃ gatim).

Words meanings summery:

• आदिमध्यावसानानाम् (ādimadhyāvasānānām) - of beginnings, middles, and ends

• ज्ञातारः (jñātāraḥ) - knowers

• छिन्नसंशयाः (chinnasaṁśayāḥ) - with their doubts completely dispelled (having doubts cut/dispelled)

• परावरविशेषज्ञाः (parāvaraviśeṣajñāḥ) - possess distinct knowledge of the higher and the lower (knowers of distinctions between higher and lower)

• गन्तारः (gantāraḥ) - those who are destined to attain (those who go, who will go, attainers)

• परमाम् (paramām) - supreme (highest, supreme, ultimate)

• गतिम् (gatim) - state (paramāṃ gatim implies mokṣa or a similar high state) (path, course, state, destination, liberation)

Words meanings and morphology

आदिमध्यावसानानाम् (ādimadhyāvasānānām) - of beginnings, middles, and ends

(noun)

Genitive, neuter, plural of ādimadhyāvasāna

ādimadhyāvasāna - beginning, middle, and end

Dvandva compound or Tatpuruṣa compound of ādi (beginning), madhya (middle), avasāna (end).

Compound type : dvandva (ādi+madhya+avasāna)

• ādi – beginning, first, etc.
  noun/indeclinable (masculine)
• madhya – middle, center, intermediate
  noun/adjective (neuter)
• avasāna – end, conclusion, cessation
  noun (neuter)
  From ava-sā (to end, cease)
  Prefix: ava
  Root: sā (class 4)

ज्ञातारः (jñātāraḥ) - knowers

(noun)

Nominative, masculine, plural of jñātṛ

jñātṛ - knower, one who knows

agent noun

Agent noun from root jñā (to know) with tṛ suffix

Root: jñā (class 9)

छिन्नसंशयाः (chinnasaṁśayāḥ) - with their doubts completely dispelled (having doubts cut/dispelled)

(noun)

Nominative, masculine, plural of chinnasaṃśaya

chinnasaṁśaya - having doubts removed, free from doubt

Bahuvrīhi compound

Compound type : bahuvrīhi (chinna+saṃśaya)

• chinna – cut, torn, broken, dispelled
  adjective (masculine/neuter/feminine)
  past passive participle
  Past passive participle of root chid (to cut)
  Root: chid (class 7)
• saṃśaya – doubt, uncertainty, hesitation
  noun (masculine)
  From saṃ-śī (to doubt)
  Prefix: sam
  Root: śī (class 2)

परावरविशेषज्ञाः (parāvaraviśeṣajñāḥ) - possess distinct knowledge of the higher and the lower (knowers of distinctions between higher and lower)

(noun)

Nominative, masculine, plural of parāvaraviśeṣajña

parāvaraviśeṣajña - knowing the distinctions between superior and inferior, or cause and effect

agent noun

Compound

Compound type : tatpuruṣa (parāvara+viśeṣajña)

• parāvara – higher and lower, superior and inferior, distant and near
  noun/adjective (masculine/neuter)
  Dvandva compound of para and avara
• viśeṣajña – knowing distinctions, expert, specialist
  adjective/noun (masculine)
  agent noun
  Compound of viśeṣa and jña
  Root: jñā (class 9)

गन्तारः (gantāraḥ) - those who are destined to attain (those who go, who will go, attainers)

(noun)

Nominative, masculine, plural of gantṛ

gantṛ - goer, attainer, destined to go/attain

agent noun (future active participle)

Agent noun from root gam (to go) with tṛ suffix

Root: gam (class 1)

परमाम् (paramām) - supreme (highest, supreme, ultimate)

(adjective)

Accusative, feminine, singular of parama

parama - highest, supreme, ultimate, most excellent

Superlative form of para

Note: Modifies gatim.

गतिम् (gatim) - state (paramāṃ gatim implies mokṣa or a similar high state) (path, course, state, destination, liberation)

(noun)

Accusative, feminine, singular of gati

gati - going, motion, course, state, condition, destination, liberation (mokṣa)

From root gam (to go)

Root: gam (class 1)

Note: When combined with paramāṃ, it often refers to final liberation or the highest spiritual state.