महाभारतः mahābhārataḥ - book-2, chapter-13, verse-29

कस्यचित्त्वथ कालस्य कंसो निर्मथ्य बान्धवान् ।
बार्हद्रथसुते देव्यावुपागच्छद्वृथामतिः ॥२९॥

29. kasyacittvatha kālasya kaṁso nirmathya bāndhavān ,
bārhadrathasute devyāvupāgacchadvṛthāmatiḥ.

29. kasya cit tu atha kālasya kaṃsaḥ nirmathya bāndhavān
bārhadratasute devyau upāgacchat vṛthāmatiḥ

29. Then, after some time, Kaṃsa, having subjugated his relatives, approached the two daughters of Bṛhadratha, as his intellect was misguided.

Words meanings summery:

• कस्य (kasya) - of some (of whom, whose, of what, of which)

• चित् (cit) - some (indicating indefiniteness) (a little, some, perhaps, even, indeed)

• तु (tu) - then, indeed (but, however, on the other hand, indeed)

• अथ (atha) - then (then, next, moreover)

• कालस्य (kālasya) - of time (of time, of a season)

• कंसः (kaṁsaḥ) - Kaṃsa (Kaṃsa (proper name))

• निर्मथ्य (nirmathya) - having subjugated (having churned, having destroyed, having crushed)

• बान्धवान् (bāndhavān) - relatives (relatives, kinsmen, friends)

• बार्हद्रतसुते (bārhadratasute) - the two daughters of Bṛhadratha

• देव्यौ (devyau) - the two ladies (referring to the daughters) (two goddesses, two ladies, two queens)

• उपागच्छत् (upāgacchat) - he approached (he/she/it approached, came near)

• वृथामतिः (vṛthāmatiḥ) - whose intellect was misguided (one whose intelligence is useless, one whose mind is vain/misguided)

Words meanings and morphology

कस्य (kasya) - of some (of whom, whose, of what, of which)

(pronoun)

Genitive, masculine, singular of kim

kim - who, what, which

चित् (cit) - some (indicating indefiniteness) (a little, some, perhaps, even, indeed)

(indeclinable)

तु (tu) - then, indeed (but, however, on the other hand, indeed)

(indeclinable)

अथ (atha) - then (then, next, moreover)

(indeclinable)

कालस्य (kālasya) - of time (of time, of a season)

(noun)

Genitive, masculine, singular of kāla

kāla - time, season, black

कंसः (kaṁsaḥ) - Kaṃsa (Kaṃsa (proper name))

(proper noun)

Nominative, masculine, singular of kaṃsa

kaṁsa - Kaṃsa (name of a king, brother of Devakī)

निर्मथ्य (nirmathya) - having subjugated (having churned, having destroyed, having crushed)

(indeclinable)

absolutive (gerund)

Derived from root math (class 1, 9) with prefix nir- to form the absolutive.

Prefix: nir

Root: math (class 1)

Note: Absolutive (indeclinable participle)

बान्धवान् (bāndhavān) - relatives (relatives, kinsmen, friends)

(noun)

Accusative, masculine, plural of bāndhava

bāndhava - kinsman, relative, friend

बार्हद्रतसुते (bārhadratasute) - the two daughters of Bṛhadratha

(noun)

Accusative, feminine, dual of bārhadratasutā

bārhadratasutā - daughter of Bṛhadratha

Compound type : tatpuruṣa (bārhadhrata+sutā)

• bārhadhrata – relating to Bṛhadratha, descendant of Bṛhadratha
  adjective (masculine)
  Derived from Bṛhadratha, meaning descendant or related to Bṛhadratha (name of a king)
• sutā – daughter
  noun (feminine)
  Feminine form of suta (son), from su- 'to give birth'.
  Root: sū (class 2)

Note: Refers to the two daughters. Formally it could be nominative, vocative, dative, genitive, or locative dual. Here, it functions as the object of 'approached'.

देव्यौ (devyau) - the two ladies (referring to the daughters) (two goddesses, two ladies, two queens)

(noun)

Accusative, feminine, dual of devī

devī - goddess, queen, lady

Note: Can be nominative or accusative dual. Here, as object of the verb, it is accusative.

उपागच्छत् (upāgacchat) - he approached (he/she/it approached, came near)

(verb)

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

imperfect

Root gam (class 1, P), imperfect (laṅ), 3rd person singular active, with prefixes upa- and ā-

Prefixes: upa+ā

Root: gam (class 1)

वृथामतिः (vṛthāmatiḥ) - whose intellect was misguided (one whose intelligence is useless, one whose mind is vain/misguided)

(adjective)

Nominative, masculine, singular of vṛthāmati

vṛthāmati - one whose mind is vain, foolish, misguided

Compound type : bahuvrīhi (vṛthā+mati)

• vṛthā – in vain, uselessly, wrongly, idly
  indeclinable
• mati – mind, intelligence, thought, opinion
  noun (feminine)
  From root man 'to think'.
  Root: man (class 4)

Note: Qualifies Kaṃsa (implied subject of the sentence).