महाभारतः mahābhārataḥ - book-3, chapter-12, verse-31

वेत्रकीयगृहे राजन्ब्राह्मणच्छद्मरूपिणा ।
विद्याबलमुपाश्रित्य न ह्यस्त्यस्यौरसं बलम् ॥३१॥

31. vetrakīyagṛhe rājanbrāhmaṇacchadmarūpiṇā ,
vidyābalamupāśritya na hyastyasyaurasaṁ balam.

31. vetrakīyagṛhe rājan brāhmaṇacchadmarūpiṇā
vidyābalam upāśritya na hi asti asya aurasam balam

31. O King, it was in the house of Vetrakīya that he, disguised as a brahmin, accomplished this by relying on the power of his knowledge (vidyābala). Indeed, his natural (aurasam) strength is not truly his own.

Words meanings summery:

• वेत्रकीयगृहे (vetrakīyagṛhe) - in the house of Vetrakīya

• राजन् (rājan) - O King

• ब्राह्मणच्छद्मरूपिणा (brāhmaṇacchadmarūpiṇā) - disguised as a brahmin

• विद्याबलम् (vidyābalam) - strength of knowledge, power of magic

• उपाश्रित्य (upāśritya) - having resorted to, by relying on

• न (na) - not

• हि (hi) - indeed, surely, because

• अस्ति (asti) - is, exists

• अस्य (asya) - of Bhimasena (his, of him)

• औरसम् (aurasam) - innate, natural, legitimate

• बलम् (balam) - strength, power, might

Words meanings and morphology

वेत्रकीयगृहे (vetrakīyagṛhe) - in the house of Vetrakīya

(noun)

Locative, neuter, singular of vetrakīyagṛha

vetrakīyagṛha - house of Vetrakīya

Compound type : tatpurusha (vetrakīya+gṛha)

• vetrakīya – Vetrakīya (proper name)
  proper noun (masculine)
• gṛha – house, home
  noun (neuter)

Note: Place where the event happened.

राजन् (rājan) - O King

(noun)

Vocative, masculine, singular of rājan

rājan - king, ruler

Root: rāj (class 1)

Note: Addressed to a king.

ब्राह्मणच्छद्मरूपिणा (brāhmaṇacchadmarūpiṇā) - disguised as a brahmin

(adjective)

Instrumental, masculine, singular of brāhmaṇacchadmarūpin

brāhmaṇacchadmarūpin - one having the false form/disguise of a brahmin

Compound type : bahuvrihi (brāhmaṇa+chadman+rūpin)

• brāhmaṇa – brahmin, priestly class
  noun (masculine)
• chadman – disguise, deceit, pretext
  noun (neuter)
  Root: chad (class 10)
• rūpin – having the form of, disguised as
  adjective (masculine)
  Suffix -in indicating possession of form.

Note: Qualifies an implied agent (Bhimasena).

विद्याबलम् (vidyābalam) - strength of knowledge, power of magic

(noun)

Accusative, neuter, singular of vidyābala

vidyābala - strength of knowledge, power of magic

Compound type : tatpurusha (vidyā+bala)

• vidyā – knowledge, learning, science, magic
  noun (feminine)
  Root: vid (class 2)
• bala – strength, power, might
  noun (neuter)

Note: Object of 'upāśritya'.

उपाश्रित्य (upāśritya) - having resorted to, by relying on

(indeclinable)

Absolutive (gerund)

From root 'śri' (to resort to, lean on) with upasargas 'upa' and 'ā'.

Prefixes: upa+ā

Root: śri (class 1)

Note: Connects to the action of Bhimasena.

न (na) - not

(indeclinable)

हि (hi) - indeed, surely, because

(indeclinable)

अस्ति (asti) - is, exists

(verb)

3rd person , singular, active, present (laṭ) of as

Present active 3rd person singular.

Root: as (class 2)

अस्य (asya) - of Bhimasena (his, of him)

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

Demonstrative pronoun.

Note: Possessive, modifies 'balam'.

औरसम् (aurasam) - innate, natural, legitimate

(adjective)

Nominative, neuter, singular of aurasa

aurasa - innate, natural, legitimate (son)

From 'uras' (breast, chest) or 'urasa' (own body), denoting inherent origin.

Note: Qualifies 'balam'.

बलम् (balam) - strength, power, might

(noun)

Nominative, neuter, singular of bala

bala - strength, power, might, army

Note: Subject of 'asti'.