महाभारतः mahābhārataḥ - book-5, chapter-81, verse-53

अतश्चेदन्यथा कर्ता धार्तराष्ट्रोऽनुपायवित् ।
अन्तं नूनं करिष्यामि क्षत्रियाणां जनार्दन ॥५३॥

53. ataścedanyathā kartā dhārtarāṣṭro'nupāyavit ,
antaṁ nūnaṁ kariṣyāmi kṣatriyāṇāṁ janārdana.

53. ataḥ ced anyathā kartā dhārtarāṣṭraḥ anupāyavit
antam nūnam kariṣyāmi kṣatriyāṇām janārdana

53. O Janārdana, if the son of Dhṛtarāṣṭra, ignorant of proper expedients, acts otherwise than this, then I shall certainly bring about the end of the kṣatriyas.

Words meanings summery:

• अतः (ataḥ) - otherwise (than what was proposed) (from this, otherwise, therefore)

• चेद् (ced) - if

• अन्यथा (anyathā) - otherwise, in another way

• कर्ता (kartā) - doer, agent

• धार्तराष्ट्रः (dhārtarāṣṭraḥ) - referring to Duryodhana (the son of Dhṛtarāṣṭra (Duryodhana))

• अनुपायवित् (anupāyavit) - one who does not know the proper means/ways, ignorant of means/expedients

• अन्तम् (antam) - end, destruction

• नूनम् (nūnam) - certainly, indeed

• करिष्यामि (kariṣyāmi) - I shall make, I shall do

• क्षत्रियाणाम् (kṣatriyāṇām) - of the kṣatriyas

• जनार्दन (janārdana) - O Krishna (addressed by Yudhiṣṭhira) (O Janārdana)

Words meanings and morphology

अतः (ataḥ) - otherwise (than what was proposed) (from this, otherwise, therefore)

(indeclinable)

चेद् (ced) - if

(indeclinable)

अन्यथा (anyathā) - otherwise, in another way

(indeclinable)

कर्ता (kartā) - doer, agent

(noun)

Nominative, masculine, singular of kartṛ

kartṛ - doer, maker, agent

agent noun

Derived from root kṛ with agent suffix -tṛ

Root: kṛ (class 8)

धार्तराष्ट्रः (dhārtarāṣṭraḥ) - referring to Duryodhana (the son of Dhṛtarāṣṭra (Duryodhana))

(proper noun)

Nominative, masculine, singular of dhārtarāṣṭra

dhārtarāṣṭra - son of Dhṛtarāṣṭra

patronymic, formed from Dhṛtarāṣṭra (son of Dhṛtarāṣṭra)

अनुपायवित् (anupāyavit) - one who does not know the proper means/ways, ignorant of means/expedients

(adjective)

Nominative, masculine, singular of anupāyavid

anupāyavid - not knowing proper means, ignorant of expedients

Compound type : nañ-tatpuruṣa (an+upāya+vid)

• an – not, non-
  indeclinable
  negative prefix
• upāya – means, expedient, device
  noun (masculine)
  Prefix: upa
  Root: i (class 2)
• vid – knower, understanding
  adjective (masculine)
  agent noun suffix
  Derived from root vid 'to know'
  Root: vid (class 2)

Note: Agrees with Dhārtarāṣṭraḥ.

अन्तम् (antam) - end, destruction

(noun)

Accusative, masculine, singular of anta

anta - end, boundary, destruction

Note: Direct object of 'kariṣyāmi'.

नूनम् (nūnam) - certainly, indeed

(indeclinable)

करिष्यामि (kariṣyāmi) - I shall make, I shall do

(verb)

1st person , singular, active, future (lṛṭ) of kṛ

Root: kṛ (class 8)

क्षत्रियाणाम् (kṣatriyāṇām) - of the kṣatriyas

(noun)

Genitive, masculine, plural of kṣatriya

kṣatriya - member of the warrior class, protector

Note: Possessive, 'the end of the kṣatriyas'.

जनार्दन (janārdana) - O Krishna (addressed by Yudhiṣṭhira) (O Janārdana)

(proper noun)

Vocative, masculine, singular of janārdana

janārdana - agitator of men, one who is petitioned by men (an epithet of Vishnu/Krishna)