महाभारतः mahābhārataḥ - book-7, chapter-103, verse-39

कालकेयसहस्राणि चतुर्दश महारणे ।
योऽवधीद्भुजवीर्येण दिष्ट्या पार्थः स जीवति ॥३९॥

39. kālakeyasahasrāṇi caturdaśa mahāraṇe ,
yo'vadhīdbhujavīryeṇa diṣṭyā pārthaḥ sa jīvati.

39. kālakeyasahasrāṇi caturdaśa mahāraṇe yaḥ
avadhīt bhujavīryeṇa diṣṭyā pārthaḥ saḥ jīvati

39. yaḥ mahāraṇe caturdaśa kālakeyasahasrāṇi
bhujavīryeṇa avadhīt saḥ pārthaḥ diṣṭyā jīvati

39. Fortunately, that Arjuna (pārtha) lives, who, in the great battle, slew fourteen thousand Kālakeyas with the might of his arm.

Words meanings summery:

• कालकेयसहस्राणि (kālakeyasahasrāṇi) - thousands of Kālakeyas

• चतुर्दश (caturdaśa) - fourteen

• महारणे (mahāraṇe) - in the great battle

• यः (yaḥ) - who

• अवधीत् (avadhīt) - slew, killed

• भुजवीर्येण (bhujavīryeṇa) - by the strength of his arm

• दिष्ट्या (diṣṭyā) - fortunately, by good luck

• पार्थः (pārthaḥ) - Arjuna (son of Pṛthā)

• सः (saḥ) - he, that (person)

• जीवति (jīvati) - lives, is alive

Words meanings and morphology

कालकेयसहस्राणि (kālakeyasahasrāṇi) - thousands of Kālakeyas

(noun)

Accusative, neuter, plural of kālakeyasahasra

kālakeyasahasra - a thousand Kālakeyas

Compound type : tatpuruṣa (kālakeya+sahasra)

• kālakeya – a descendant of Kālakā, a class of Daityas
  proper noun (masculine)
• sahasra – thousand
  noun (neuter)

चतुर्दश (caturdaśa) - fourteen

(numeral)

Note: Often functions as an indeclinable or takes the case of the noun it qualifies.

महारणे (mahāraṇe) - in the great battle

(noun)

Locative, masculine, singular of mahāraṇa

mahāraṇa - great battle, great war

Compound type : karmadhāraya (mahā+raṇa)

• mahā – great, large
  adjective
• raṇa – battle, fight, war
  noun (masculine)

यः (yaḥ) - who

(pronoun)

Nominative, masculine, singular of yad

yad - which, who, what

अवधीत् (avadhīt) - slew, killed

(verb)

3rd person , singular, active, aorist indicative (luṅ) of han

Root: han (class 2)

भुजवीर्येण (bhujavīryeṇa) - by the strength of his arm

(noun)

Instrumental, neuter, singular of bhujavīrya

bhujavīrya - arm strength, valor of arm

Compound type : tatpuruṣa (bhuja+vīrya)

• bhuja – arm, hand
  noun (masculine)
• vīrya – strength, valor, might, heroism
  noun (neuter)

दिष्ट्या (diṣṭyā) - fortunately, by good luck

(noun)

Instrumental, feminine, singular of diṣṭi

diṣṭi - good fortune, luck, destiny

पार्थः (pārthaḥ) - Arjuna (son of Pṛthā)

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kuntī), especially Arjuna

Derived from Pṛthā (Kuntī) by adding the suffix -a.

सः (saḥ) - he, that (person)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

जीवति (jīvati) - lives, is alive

(verb)

3rd person , singular, active, present indicative (laṭ) of jīv

Root: jīv (class 1)