महाभारतः mahābhārataḥ - book-15, chapter-16, verse-6

अवश्यमेव संग्रामे क्षत्रियेण विशेषतः ।
कर्तव्यं निधनं लोके शस्त्रेण क्षत्रबन्धुना ॥६॥

6. avaśyameva saṁgrāme kṣatriyeṇa viśeṣataḥ ,
kartavyaṁ nidhanaṁ loke śastreṇa kṣatrabandhunā.

6. avaśyam eva saṃgrāme kṣatriyeṇa viśeṣataḥ
kartavyam nidhanam loke śastreṇa kṣatrabandhunā

6. avaśyam eva loke saṃgrāme kṣatriyeṇa viśeṣataḥ
kṣatrabandhunā śastreṇa nidhanam kartavyam

6. In this world, it is indeed imperative that a kṣatriya, especially one who is a kṣatriya-kinsman, should meet their end by a weapon in battle.

Words meanings summery:

• अवश्यम् (avaśyam) - certainly, necessarily, undoubtedly

• एव (eva) - indeed, only, certainly, just

• संग्रामे (saṁgrāme) - in battle, in war

• क्षत्रियेण (kṣatriyeṇa) - by a kṣatriya, by a warrior

• विशेषतः (viśeṣataḥ) - especially, particularly

• कर्तव्यम् (kartavyam) - should be done, ought to be performed, is fit to be done

• निधनम् (nidhanam) - death, demise, destruction, end

• लोके (loke) - in the world, among people

• शस्त्रेण (śastreṇa) - by a weapon, with a weapon

• क्षत्रबन्धुना (kṣatrabandhunā) - by a kṣatriya-kinsman, by one related to kṣatriyas (often implying one who is not a true kṣatriya)

Words meanings and morphology

अवश्यम् (avaśyam) - certainly, necessarily, undoubtedly

(indeclinable)

Note: Acts as an adverb.

एव (eva) - indeed, only, certainly, just

(indeclinable)

संग्रामे (saṁgrāme) - in battle, in war

(noun)

Locative, masculine, singular of saṃgrāma

saṁgrāma - battle, war, conflict

Root: grābh (class 1)

Note: Denotes location or occasion.

क्षत्रियेण (kṣatriyeṇa) - by a kṣatriya, by a warrior

(noun)

Instrumental, masculine, singular of kṣatriya

kṣatriya - a member of the kṣatriya (warrior/ruler) class

विशेषतः (viśeṣataḥ) - especially, particularly

(indeclinable)

Derived from viśeṣa with the suffix -tas.

Note: Qualifies kṣatriyeṇa and kṣatrabandhunā.

कर्तव्यम् (kartavyam) - should be done, ought to be performed, is fit to be done

(participle)

Nominative, neuter, singular of kartavya

kartavya - to be done, fit to be done, proper to be done

Gerundive (future passive participle)

Derived from root kṛ (to do, make) with suffix -tavya.

Root: kṛ (class 8)

Note: Expresses obligation or suitability.

निधनम् (nidhanam) - death, demise, destruction, end

(noun)

Nominative, neuter, singular of nidhana

nidhana - death, destruction, end, ruin

Prefix: ni

Root: dhā (class 3)

Note: Subject of the passive construction.

लोके (loke) - in the world, among people

(noun)

Locative, masculine, singular of loka

loka - world, realm, people, mankind

Note: Denotes general sphere or context.

शस्त्रेण (śastreṇa) - by a weapon, with a weapon

(noun)

Instrumental, neuter, singular of śastra

śastra - weapon, implement, sword

Root: śas (class 2)

Note: Denotes the instrument.

क्षत्रबन्धुना (kṣatrabandhunā) - by a kṣatriya-kinsman, by one related to kṣatriyas (often implying one who is not a true kṣatriya)

(noun)

Instrumental, masculine, singular of kṣatrabandhu

kṣatrabandhu - a kṣatriya-kinsman, one who bears the name of kṣatriya but does not fulfill the duties, a nominal kṣatriya

Compound type : tatpuruṣa (kṣatra+bandhu)

• kṣatra – rule, dominion, power; the kṣatriya class
  noun (neuter)
• bandhu – relative, kinsman, friend
  noun (masculine)

Note: Co-agent with kṣatriyeṇa.