महाभारतः mahābhārataḥ - book-7, chapter-50, verse-67

मा शुचः पुरुषव्याघ्र पूर्वैरेष सनातनः ।
धर्मकृद्भिः कृतो धर्मः क्षत्रियाणां रणे क्षयः ॥६७॥

67. mā śucaḥ puruṣavyāghra pūrvaireṣa sanātanaḥ ,
dharmakṛdbhiḥ kṛto dharmaḥ kṣatriyāṇāṁ raṇe kṣayaḥ.

67. mā śucaḥ puruṣavyāghra pūrvaiḥ eṣaḥ sanātanaḥ
dharmakṛdbhiḥ kṛtaḥ dharmaḥ kṣatriyāṇām raṇe kṣayaḥ

67. puruṣavyāghra mā śucaḥ pūrvaiḥ dharmakṛdbhiḥ eṣaḥ
sanātanaḥ dharmaḥ kṛtaḥ kṣatriyāṇām raṇe kṣayaḥ

67. Do not grieve, O tiger among men, for this eternal (sanātana) intrinsic nature (dharma) has been established by those who uphold the natural law (dharma): that kṣatriyas meet their demise in battle.

Words meanings summery:

• मा (mā) - do not, not

• शुचः (śucaḥ) - grieve, lament

• पुरुषव्याघ्र (puruṣavyāghra) - O tiger among men, O best of men

• पूर्वैः (pūrvaiḥ) - by the ancients, by those gone before

• एषः (eṣaḥ) - this (masculine)

• सनातनः (sanātanaḥ) - eternal, ancient, everlasting

• धर्मकृद्भिः (dharmakṛdbhiḥ) - by the performers of dharma (natural law / duty)

• कृतः (kṛtaḥ) - done, made, established

• धर्मः (dharmaḥ) - natural law (dharma), duty, righteousness

• क्षत्रियाणाम् (kṣatriyāṇām) - of kṣatriyas, of warriors

• रणे (raṇe) - in battle, in war

• क्षयः (kṣayaḥ) - destruction, demise, end

Words meanings and morphology

मा (mā) - do not, not

(indeclinable)

Note: Prohibitive particle.

शुचः (śucaḥ) - grieve, lament

(verb)

2nd person , singular, active, injunctive (luṅ) of śuc

Aorist Injunctive, 2nd Person Singular, Active Voice

from root śuc (to sorrow)

Root: śuc (class 1)

पुरुषव्याघ्र (puruṣavyāghra) - O tiger among men, O best of men

(noun)

Vocative, masculine, singular of puruṣavyāghra

puruṣavyāghra - tiger among men, best of men

from puruṣa (man) + vyāghra (tiger)

Compound type : karma-dhāraya (puruṣa+vyāghra)

• puruṣa – man, person, male, human being, supreme cosmic person (puruṣa)
  noun (masculine)
• vyāghra – tiger
  noun (masculine)

Note: Address.

पूर्वैः (pūrvaiḥ) - by the ancients, by those gone before

(adjective)

Instrumental, masculine, plural of pūrva

pūrva - former, ancient, preceding, eastern

Note: Agent.

एषः (eṣaḥ) - this (masculine)

(pronoun)

Nominative, masculine, singular of etad

etad - this

Note: Subject.

सनातनः (sanātanaḥ) - eternal, ancient, everlasting

(adjective)

Nominative, masculine, singular of sanātana

sanātana - eternal, ancient, everlasting, perpetual

from sanā (always) + tana (suffix indicating time)

Note: Qualifies 'dharmaḥ'.

धर्मकृद्भिः (dharmakṛdbhiḥ) - by the performers of dharma (natural law / duty)

(noun)

Instrumental, masculine, plural of dharmakṛt

dharmakṛt - performer of dharma, virtuous

from dharma (duty, law) + kṛt (doer)

Compound type : ṣaṣṭhī-tatpuruṣa (dharma+kṛt)

• dharma – natural law (dharma), righteousness, duty, virtue, constitution, intrinsic nature (dharma)
  noun (masculine)
  Root: dhṛ (class 1)
• kṛt – doer, maker, performing
  noun (masculine)
  from root kṛ (to do)
  Root: kṛ (class 8)

Note: Agent.

कृतः (kṛtaḥ) - done, made, established

(adjective)

Nominative, masculine, singular of kṛta

kṛta - done, made, performed, established

Past Passive Participle

from root kṛ (to do, make)

Root: kṛ (class 8)

Note: Predicate adjective, describing 'dharmaḥ'.

धर्मः (dharmaḥ) - natural law (dharma), duty, righteousness

(noun)

Nominative, masculine, singular of dharma

dharma - natural law (dharma), righteousness, duty, virtue, constitution, intrinsic nature (dharma)

from root dhṛ (to uphold, support)

Root: dhṛ (class 1)

Note: Subject.

क्षत्रियाणाम् (kṣatriyāṇām) - of kṣatriyas, of warriors

(noun)

Genitive, masculine, plural of kṣatriya

kṣatriya - member of the warrior class, warrior, ruler

Note: Possessive or partitive genitive.

रणे (raṇe) - in battle, in war

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, war, combat

Root: raṇ (class 1)

Note: Location of the demise.

क्षयः (kṣayaḥ) - destruction, demise, end

(noun)

Nominative, masculine, singular of kṣaya

kṣaya - destruction, end, loss, decay, demise

from root kṣi (to destroy, diminish)

Root: kṣi (class 1)

Note: Subject of the implied clause 'that kṣatriyas meet their demise'.