महाभारतः mahābhārataḥ - book-6, chapter-81, verse-19

त्वया न चैनां सफलां करोषि देवव्रतं यन्न निहंसि युद्धे ।
मिथ्याप्रतिज्ञो भव मा नृवीर रक्षस्व धर्मं च कुलं यशश्च ॥१९॥

19. tvayā na caināṁ saphalāṁ karoṣi; devavrataṁ yanna nihaṁsi yuddhe ,
mithyāpratijño bhava mā nṛvīra; rakṣasva dharmaṁ ca kulaṁ yaśaśca.

19. tvayā na ca enām saphalām karoṣi
devavratam yat na nihaṃsi yuddhe
mithyāpratijñaḥ bhava mā nṛvīra
rakṣasva dharmam ca kulam yaśaḥ ca

19. tvayā enām saphalām na karoṣi ca yat yuddhe devavratam na nihaṃsi.
nṛvīra mithyāpratijñaḥ mā bhava.
ca dharmam ca kulam ca yaśaḥ rakṣasva.

19. And you will not fulfill this (vow) if you do not slay the greatly vowed (devavrata) one in battle. Do not become a man of false vows, O hero! Protect your duty (dharma), your lineage, and your fame.

Words meanings summery:

• त्वया (tvayā) - by you

• न (na) - not, no

• च (ca) - and, also

• एनाम् (enām) - this vow (pratijñā) (this (feminine accusative singular))

• सफलाम् (saphalām) - fruitful, successful, effective

• करोषि (karoṣi) - you do, you make, you perform

• देवव्रतम् (devavratam) - the one of divine vow; Bhishma

• यत् (yat) - because, since, that which

• न (na) - not, no

• निहंसि (nihaṁsi) - you slay, you kill

• युद्धे (yuddhe) - in battle, in war

• मिथ्याप्रतिज्ञः (mithyāpratijñaḥ) - one whose vow is false, false-vowed

• भव (bhava) - become, be

• मा (mā) - do not, not

• नृवीर (nṛvīra) - O hero among men

• रक्षस्व (rakṣasva) - protect, save

• धर्मम् (dharmam) - your duty (dharma) (duty (dharma), righteousness, natural law)

• च (ca) - and, also

• कुलम् (kulam) - family, lineage, race

• यशः (yaśaḥ) - fame, glory, renown

• च (ca) - and, also

Words meanings and morphology

त्वया (tvayā) - by you

(pronoun)

Instrumental, singular of yuṣmad

yuṣmad - you

न (na) - not, no

(indeclinable)

च (ca) - and, also

(indeclinable)

एनाम् (enām) - this vow (pratijñā) (this (feminine accusative singular))

(pronoun)

Accusative, feminine, singular of etad

etad - this, this one

Note: Refers to pratijñā (vow)

सफलाम् (saphalām) - fruitful, successful, effective

(adjective)

Accusative, feminine, singular of saphala

saphala - fruitful, successful, effective

Compound type : bahuvrīhi (sa+phala)

• sa – with, together with
  indeclinable
• phala – fruit, result, success
  noun (neuter)

Note: Qualifies enām

करोषि (karoṣi) - you do, you make, you perform

(verb)

2nd person , singular, active, present (laṭ) of kṛ

present active

Second person singular, present tense, active voice

Root: kṛ (class 8)

देवव्रतम् (devavratam) - the one of divine vow; Bhishma

(proper noun)

Accusative, masculine, singular of devavrata

devavrata - one whose vow is to the gods, one of divine vow; Bhishma

Compound type : tatpuruṣa (deva+vrata)

• deva – god, divine
  noun (masculine)
• vrata – vow, sacred observance
  noun (neuter)

यत् (yat) - because, since, that which

(indeclinable)

न (na) - not, no

(indeclinable)

निहंसि (nihaṁsi) - you slay, you kill

(verb)

2nd person , singular, active, present (laṭ) of han

present active

Second person singular, present tense, active voice, with prefix ni

Prefix: ni

Root: han (class 2)

युद्धे (yuddhe) - in battle, in war

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, fight, war

मिथ्याप्रतिज्ञः (mithyāpratijñaḥ) - one whose vow is false, false-vowed

(adjective)

Nominative, masculine, singular of mithyāpratijña

mithyāpratijña - one whose vow is false, false-vowed

Compound type : bahuvrīhi (mithyā+pratijñā)

• mithyā – falsely, wrongly, untrue
  indeclinable
• pratijñā – vow, promise
  noun (feminine)
  Prefix: prati

भव (bhava) - become, be

(verb)

2nd person , singular, active, imperative (loṭ) of bhū

imperative active

Second person singular, imperative mood, active voice

Root: bhū (class 1)

मा (mā) - do not, not

(indeclinable)

नृवीर (nṛvīra) - O hero among men

(noun)

Vocative, masculine, singular of nṛvīra

nṛvīra - hero among men, brave man

Compound type : tatpuruṣa (nṛ+vīra)

• nṛ – man, human
  noun (masculine)
• vīra – hero, brave
  noun (masculine)

रक्षस्व (rakṣasva) - protect, save

(verb)

2nd person , singular, middle, imperative (loṭ) of rakṣ

imperative middle

Second person singular, imperative mood, middle voice (ātmanepada)

Root: rakṣ (class 1)

धर्मम् (dharmam) - your duty (dharma) (duty (dharma), righteousness, natural law)

(noun)

Accusative, masculine, singular of dharma

dharma - righteous conduct, duty, law, moral merit, intrinsic nature, constitution

Root: dhṛ (class 1)

च (ca) - and, also

(indeclinable)

कुलम् (kulam) - family, lineage, race

(noun)

Accusative, neuter, singular of kula

kula - family, lineage, race, noble birth

यशः (yaśaḥ) - fame, glory, renown

(noun)

Accusative, neuter, singular of yaśas

yaśas - fame, glory, renown, splendor

च (ca) - and, also

(indeclinable)