महाभारतः mahābhārataḥ - book-5, chapter-70, verse-49

युद्धे कृष्ण कलिर्नित्यं प्राणाः सीदन्ति संयुगे ।
बलं तु नीतिमात्राय हठे जयपराजयौ ॥४९॥

49. yuddhe kṛṣṇa kalirnityaṁ prāṇāḥ sīdanti saṁyuge ,
balaṁ tu nītimātrāya haṭhe jayaparājayau.

49. yuddhe kṛṣṇa kaliḥ nityam prāṇāḥ sīdanti
saṃyuge balam tu nītimātrāya haṭhe jayaparājayau

49. O Kṛṣṇa, in battle there is always strife (kali); lives are exhausted in conflict. While strength is indeed meant for mere policy, victory and defeat are ultimately decided by force.

Words meanings summery:

• युद्धे (yuddhe) - in battle, in war, in conflict

• कृष्ण (kṛṣṇa) - O Kṛṣṇa (a proper noun)

• कलिः (kaliḥ) - strife, discord, referring to the destructive nature of conflict (strife, contention, discord, the age of Kali (Kaliyuga))

• नित्यम् (nityam) - constantly, always, perpetually

• प्राणाः (prāṇāḥ) - lives, vital breaths, life-forces

• सीदन्ति (sīdanti) - are exhausted or perish (they sink, they fail, they are exhausted, they despair)

• संयुगे (saṁyuge) - in battle, in conflict, in encounter

• बलम् (balam) - strength, power, force

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

• नीतिमात्राय (nītimātrāya) - for the sake of mere policy/strategy

• हठे (haṭhe) - by force, by obstinacy, in obstinacy

• जयपराजयौ (jayaparājayau) - victory and defeat

Words meanings and morphology

युद्धे (yuddhe) - in battle, in war, in conflict

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, war, fight, conflict

Root: yudh

कृष्ण (kṛṣṇa) - O Kṛṣṇa (a proper noun)

(proper noun)

Vocative, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (a proper name, usually referring to the deity)

कलिः (kaliḥ) - strife, discord, referring to the destructive nature of conflict (strife, contention, discord, the age of Kali (Kaliyuga))

(noun)

Nominative, masculine, singular of kali

kali - strife, contention, discord, quarrel; the last and worst of the four Yugas (ages)

नित्यम् (nityam) - constantly, always, perpetually

(indeclinable)

Note: Adverbial usage.

प्राणाः (prāṇāḥ) - lives, vital breaths, life-forces

(noun)

Nominative, masculine, plural of prāṇa

prāṇa - breath, vital air, life, spirit, life-force

Prefix: pra

Root: an

सीदन्ति (sīdanti) - are exhausted or perish (they sink, they fail, they are exhausted, they despair)

(verb)

3rd person , plural, active, present (laṭ) of sad

present indicative, 3rd plural (root √sad in the 1st class takes the stem sīd)

Root: sad (class 1)

संयुगे (saṁyuge) - in battle, in conflict, in encounter

(noun)

Locative, masculine, singular of saṃyuga

saṁyuga - junction, encounter, battle, war

Prefix: sam

Root: yuj

Note: Often interchangeable with yuddha, battle.

बलम् (balam) - strength, power, force

(noun)

Nominative, neuter, singular of bala

bala - strength, power, force, might, army

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

(indeclinable)

Note: Emphatic or adversative particle.

नीतिमात्राय (nītimātrāya) - for the sake of mere policy/strategy

(noun)

Dative, neuter, singular of nītimātra

nītimātra - mere policy, mere strategy

Compound type : tatpuruṣa (nīti+mātra)

• nīti – guidance, policy, conduct, prudence, moral behaviour, statesmanship
  noun (feminine)
  Root: nī
• mātra – mere, only, simply, measure
  adjective (neuter)

Note: Dative of purpose.

हठे (haṭhe) - by force, by obstinacy, in obstinacy

(noun)

Locative, masculine, singular of haṭha

haṭha - force, violence, obstinacy, compulsion

Note: Locative used to indicate the means or circumstance: 'in the matter of force,' or 'by means of force.'

जयपराजयौ (jayaparājayau) - victory and defeat

(noun)

Nominative, masculine, dual of jayaparājaya

jayaparājaya - victory and defeat

Compound type : dvandva (jaya+parājaya)

• jaya – victory, triumph, conquest
  noun (masculine)
  Root: ji
• parājaya – defeat, rout, failure
  noun (masculine)
  Prefix: parā
  Root: ji

Note: Dvandva compound meaning 'victory and defeat'.