महाभारतः mahābhārataḥ - book-2, chapter-39, verse-3

अद्वारेण प्रविष्टेन छद्मना ब्रह्मवादिना ।
दृष्टः प्रभावः कृष्णेन जरासंधस्य धीमतः ॥३॥

3. advāreṇa praviṣṭena chadmanā brahmavādinā ,
dṛṣṭaḥ prabhāvaḥ kṛṣṇena jarāsaṁdhasya dhīmataḥ.

3. advāreṇa praviṣṭena chadmanā brahmavādinā
dṛṣṭaḥ prabhāvaḥ kṛṣṇena jarāsaṃdhasya dhīmataḥ

3. Kṛṣṇa, having entered through an improper means and by deceit, posing as a speaker of brahman (brahmavādin), observed the power of the intelligent Jarāsandha.

Words meanings summery:

• अद्वारेण (advāreṇa) - through an improper means (referring to Kṛṣṇa's unconventional entry) (by an improper door/entrance, without a door, by illicit means)

• प्रविष्टेन (praviṣṭena) - by him who entered (referring to Kṛṣṇa) (by one who has entered, having entered)

• छद्मना (chadmanā) - by deceit (referring to their disguise and unannounced entry) (by deceit, by trickery, in disguise)

• ब्रह्मवादिना (brahmavādinā) - by one posing as a speaker of brahman (part of the disguise) (by one who speaks of brahman, by a theologian, by a Vedic scholar)

• दृष्टः (dṛṣṭaḥ) - observed (the formidable power of Jarāsandha) (seen, observed, perceived)

• प्रभावः (prabhāvaḥ) - formidable power (of Jarāsandha) (power, influence, might, glory)

• कृष्णेन (kṛṣṇena) - by Kṛṣṇa (the agent of observation in the Sanskrit passive construction) (by Kṛṣṇa)

• जरासंधस्य (jarāsaṁdhasya) - of Jarāsandha (the King whose power is observed) (of Jarāsandha)

• धीमतः (dhīmataḥ) - of the intelligent (describing Jarāsandha, highlighting his formidable intellect and strength) (of the intelligent, of the wise, of the sagacious)

Words meanings and morphology

अद्वारेण (advāreṇa) - through an improper means (referring to Kṛṣṇa's unconventional entry) (by an improper door/entrance, without a door, by illicit means)

(noun)

Instrumental, neuter, singular of advāra

advāra - without a door, improper entrance, illicit means

Compound type : nañ-tatpuruṣa (na+dvāra)

• na – not, un-
  indeclinable
• dvāra – door, gate, entrance
  noun (neuter)

प्रविष्टेन (praviṣṭena) - by him who entered (referring to Kṛṣṇa) (by one who has entered, having entered)

(adjective)

Instrumental, masculine, singular of praviṣṭa

praviṣṭa - entered, gone into, initiated

Past Passive Participle

Derived from the root √viś with prefix pra-

Prefix: pra

Root: viś (class 6)

छद्मना (chadmanā) - by deceit (referring to their disguise and unannounced entry) (by deceit, by trickery, in disguise)

(noun)

Instrumental, neuter, singular of chadman

chadman - deceit, fraud, disguise, pretext

ब्रह्मवादिना (brahmavādinā) - by one posing as a speaker of brahman (part of the disguise) (by one who speaks of brahman, by a theologian, by a Vedic scholar)

(noun)

Instrumental, masculine, singular of brahmavādin

brahmavādin - speaker of brahman, theologian, Vedic scholar

Compound type : tatpuruṣa (brahman+vādin)

• brahman – the Absolute Reality, the ultimate truth, the Self-existent; a priest, a Vedic text
  noun (neuter)
• vādin – speaking, telling, proclaiming, a speaker
  adjective (masculine)
  agent noun
  Derived from the root √vad (to speak)
  Root: vad (class 1)

दृष्टः (dṛṣṭaḥ) - observed (the formidable power of Jarāsandha) (seen, observed, perceived)

(adjective)

Nominative, masculine, singular of dṛṣṭa

dṛṣṭa - seen, observed, perceived

Past Passive Participle

Derived from the root √dṛś

Root: dṛś (class 1)

प्रभावः (prabhāvaḥ) - formidable power (of Jarāsandha) (power, influence, might, glory)

(noun)

Nominative, masculine, singular of prabhāva

prabhāva - power, influence, might, grandeur, dignity

Prefix: pra

Root: bhū (class 1)

कृष्णेन (kṛṣṇena) - by Kṛṣṇa (the agent of observation in the Sanskrit passive construction) (by Kṛṣṇa)

(proper noun)

Instrumental, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (name of a deity), black, dark

जरासंधस्य (jarāsaṁdhasya) - of Jarāsandha (the King whose power is observed) (of Jarāsandha)

(proper noun)

Genitive, masculine, singular of jarāsaṃdha

jarāsaṁdha - Jarāsandha (name of a powerful king)

धीमतः (dhīmataḥ) - of the intelligent (describing Jarāsandha, highlighting his formidable intellect and strength) (of the intelligent, of the wise, of the sagacious)

(adjective)

Genitive, masculine, singular of dhīmat

dhīmat - intelligent, wise, clever, sagacious

Possessive suffix -mat