महाभारतः mahābhārataḥ - book-5, chapter-167, verse-13

पृथगक्षौहिणीभ्यां तावुभौ संयति दारुणौ ।
संबन्धिभावं रक्षन्तौ महत्कर्म करिष्यतः ॥१३॥

13. pṛthagakṣauhiṇībhyāṁ tāvubhau saṁyati dāruṇau ,
saṁbandhibhāvaṁ rakṣantau mahatkarma kariṣyataḥ.

13. pṛthak akṣauhiṇībhyām tau ubhau saṃyati dāruṇau
sambandhibhāvaṃ rakṣantau mahat karma kariṣyataḥ

13. tau ubhau saṃyati dāruṇau pṛthak akṣauhiṇībhyām
sambandhibhāvaṃ rakṣantau mahat karma kariṣyataḥ

13. Both of them, fierce in battle and each commanding an akṣauhiṇī (army division), will perform great deeds while maintaining their family relationship.

Words meanings summery:

• पृथक् (pṛthak) - each (commanding) (separately, distinctly, each)

• अक्षौहिणीभ्याम् (akṣauhiṇībhyām) - each with an akṣauhiṇī (by or from two akṣauhiṇīs (army divisions))

• तौ (tau) - those two (referring to Arjuna and Karna) (those two)

• उभौ (ubhau) - both

• संयति (saṁyati) - in battle, in conflict

• दारुणौ (dāruṇau) - fierce (terrible, fierce, cruel)

• सम्बन्धिभावं (sambandhibhāvaṁ) - family relationship (the state of being a relative, relationship)

• रक्षन्तौ (rakṣantau) - maintaining (protecting, guarding, maintaining)

• महत् (mahat) - great, large, important

• कर्म (karma) - deeds (deed, action, work, fate)

• करिष्यतः (kariṣyataḥ) - they will do, they will perform

Words meanings and morphology

पृथक् (pṛthak) - each (commanding) (separately, distinctly, each)

(indeclinable)

अक्षौहिणीभ्याम् (akṣauhiṇībhyām) - each with an akṣauhiṇī (by or from two akṣauhiṇīs (army divisions))

(noun)

feminine, dual of akṣauhiṇī

akṣauhiṇī - a large army division consisting of 21,870 chariots, 21,870 elephants, 65,610 horses and 109,350 foot-soldiers

तौ (tau) - those two (referring to Arjuna and Karna) (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

उभौ (ubhau) - both

(adjective)

Nominative, masculine, dual of ubha

ubha - both

संयति (saṁyati) - in battle, in conflict

(noun)

Locative, feminine, singular of saṃyat

saṁyat - battle, encounter, conflict

दारुणौ (dāruṇau) - fierce (terrible, fierce, cruel)

(adjective)

Nominative, masculine, dual of dāruṇa

dāruṇa - terrible, fierce, cruel, harsh

सम्बन्धिभावं (sambandhibhāvaṁ) - family relationship (the state of being a relative, relationship)

(noun)

Accusative, masculine, singular of sambandhibhāva

sambandhibhāva - state of being a relative, relationship

Compound type : tatpuruṣa (sambandhin+bhāva)

• sambandhin – relative, connection, related
  noun (masculine)
• bhāva – state, condition, existence, nature, sentiment
  noun (masculine)
  Root: bhū (class 1)

रक्षन्तौ (rakṣantau) - maintaining (protecting, guarding, maintaining)

(participle)

Nominative, masculine, dual of rakṣat

rakṣat - protecting, guarding

Present Active Participle

Derived from root rakṣ (to protect)

Root: rakṣ (class 1)

महत् (mahat) - great, large, important

(adjective)

Accusative, neuter, singular of mahat

mahat - great, large, important, mighty

कर्म (karma) - deeds (deed, action, work, fate)

(noun)

Accusative, neuter, singular of karma

karma - deed, action, work, ritual, fate, effect of actions

Derived from root kṛ (to do, make)

Root: kṛ (class 8)

करिष्यतः (kariṣyataḥ) - they will do, they will perform

(verb)

3rd person , dual, active, future (lṛṭ) of kṛ

Future Tense

3rd person dual future active

Root: kṛ (class 8)