महाभारतः mahābhārataḥ - book-1, chapter-218, verse-26

कृष्णश्च सुमहातेजाश्चक्रेणारिनिहा तदा ।
दैत्यदानवसंघानां चकार कदनं महत् ॥२६॥

26. kṛṣṇaśca sumahātejāścakreṇārinihā tadā ,
daityadānavasaṁghānāṁ cakāra kadanaṁ mahat.

26. kṛṣṇaḥ ca sumahātejāḥ cakreṇa arinihā tadā
daityadānavasaṃghānām cakāra kadanam mahat

26. And then, Krishna, of immense splendor and a slayer of foes, wrought great destruction upon the hosts of Daityas and Danavas with his discus (cakra).

Words meanings summery:

• कृष्णः (kṛṣṇaḥ) - Krishna

• च (ca) - and

• सुमहातेजाः (sumahātejāḥ) - of very great splendor/power

• चक्रेण (cakreṇa) - with the discus (cakra)

• अरिनिहा (arinihā) - slayer of enemies

• तदा (tadā) - then, at that time

• दैत्यदानवसंघानाम् (daityadānavasaṁghānām) - of the hosts/multitudes of Daityas and Danavas (demons)

• चकार (cakāra) - did, made, performed

• कदनम् (kadanam) - slaughter, destruction, killing

• महत् (mahat) - great, large

Words meanings and morphology

कृष्णः (kṛṣṇaḥ) - Krishna

(proper noun)

Nominative, masculine, singular of kṛṣṇa

kṛṣṇa - Krishna (proper name); black, dark

Note: Subject of the verbs 'cakāra' (implied with 'arinihā').

च (ca) - and

(indeclinable)

Note: Connects with the previous verse's action or reinforces Krishna's role.

सुमहातेजाः (sumahātejāḥ) - of very great splendor/power

(adjective)

Nominative, masculine, singular of sumahātejas

sumahātejas - of very great energy/power/splendor

Compound type : bahuvrīhi (su+mahā+tejas)

• su – good, excellent, well, very
  indeclinable
• mahā – great, large, mighty
  adjective (masculine)
• tejas – splendor, brilliance, energy, power, valor
  noun (neuter)

Note: Qualifies Krishna.

चक्रेण (cakreṇa) - with the discus (cakra)

(noun)

Instrumental, neuter, singular of cakra

cakra - a discus, a wheel, a circle, a weapon (Vishnu's discus)

Root: kṛ (class 8)

Note: Instrument of action.

अरिनिहा (arinihā) - slayer of enemies

(adjective)

Nominative, masculine, singular of arinihan

arinihan - slayer of foes

From 'han' (to kill) compounded with 'ari' (enemy). Agent noun.

Compound type : tatpuruṣa (ari+han)

• ari – enemy, foe
  noun (masculine)
  Root: ṛ (class 1)
• han – killing, slayer
  noun (masculine)
  Derived from root 'han' (to kill).
  Root: han (class 2)

Note: Qualifies Krishna.

तदा (tadā) - then, at that time

(indeclinable)

Temporal adverb.

दैत्यदानवसंघानाम् (daityadānavasaṁghānām) - of the hosts/multitudes of Daityas and Danavas (demons)

(noun)

Genitive, masculine, plural of daityadānavasaṃgha

daityadānavasaṁgha - hosts of Daityas and Danavas

Compound type : dvandva (daitya+dānava+saṃgha)

• daitya – a Daitya (race of demons, descendants of Diti)
  proper noun (masculine)
• dānava – a Danava (race of demons, descendants of Danu)
  proper noun (masculine)
• saṃgha – multitude, host, collection, crowd
  noun (masculine)
  From root 'han' (to strike, collect) with prefix 'sam'.
  Prefix: sam
  Root: han (class 2)

Note: Object of destruction (implied with 'kadanam').

चकार (cakāra) - did, made, performed

(verb)

3rd person , singular, active, perfect (lit) of kṛ

Perfect Tense

From root 'kṛ' (to do). Reduplication 'ca-kāra'.

Root: kṛ (class 8)

Note: Subject is Krishna.

कदनम् (kadanam) - slaughter, destruction, killing

(noun)

Accusative, neuter, singular of kadana

kadana - slaughter, killing, destruction, havoc

From root 'kad' (to slay).

Root: kad (class 1)

Note: Object of 'cakāra'.

महत् (mahat) - great, large

(adjective)

Accusative, neuter, singular of mahat

mahat - great, large, mighty, considerable

Root: mah (class 1)

Note: Qualifies 'kadanam'.