महाभारतः mahābhārataḥ - book-5, chapter-34, verse-28

य एव यत्नः क्रियते परराष्ट्रावमर्दने ।
स एव यत्नः कर्तव्यः स्वराष्ट्रपरिपालने ॥२८॥

28. ya eva yatnaḥ kriyate pararāṣṭrāvamardane ,
sa eva yatnaḥ kartavyaḥ svarāṣṭraparipālane.

28. yaḥ eva yatnaḥ kriyate pararāṣṭrāvamardane
saḥ eva yatnaḥ kartavyaḥ svarāṣṭraparipālane

28. The very same effort that is expended in subjugating hostile kingdoms should indeed be applied to protecting one's own kingdom.

Words meanings summery:

• यः (yaḥ) - that which (who, which, that)

• एव (eva) - indeed, very (indeed, only, certainly, even)

• यत्नः (yatnaḥ) - effort (effort, exertion, endeavor)

• क्रियते (kriyate) - is made (is made, is done, is performed)

• परराष्ट्रावमर्दने (pararāṣṭrāvamardane) - in subjugating hostile kingdoms (in the crushing of hostile kingdoms, in subjugating other countries)

• सः (saḥ) - that (he, that, that one)

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

• यत्नः (yatnaḥ) - effort (effort, exertion, endeavor)

• कर्तव्यः (kartavyaḥ) - should be applied (lit. 'to be made') (to be made, to be done, ought to be done)

• स्वराष्ट्रपरिपालने (svarāṣṭraparipālane) - to protecting one's own kingdom (in the protection of one's own kingdom)

Words meanings and morphology

यः (yaḥ) - that which (who, which, that)

(pronoun)

Nominative, masculine, singular of ya

ya - who, which, that

एव (eva) - indeed, very (indeed, only, certainly, even)

(indeclinable)

Note: Emphasizes the preceding word.

यत्नः (yatnaḥ) - effort (effort, exertion, endeavor)

(noun)

Nominative, masculine, singular of yatna

yatna - effort, exertion, endeavor

From root yat (to strive)

Root: yat (class 1)

क्रियते (kriyate) - is made (is made, is done, is performed)

(verb)

3rd person , singular, passive, present (laṭ) of kṛ

Present Tense

Root kṛ (to do, make), passive voice ending

Root: kṛ (class 8)

परराष्ट्रावमर्दने (pararāṣṭrāvamardane) - in subjugating hostile kingdoms (in the crushing of hostile kingdoms, in subjugating other countries)

(noun)

Locative, neuter, singular of pararāṣṭrāvamardana

pararāṣṭrāvamardana - crushing of hostile kingdoms, subjugation of other countries

Compound of para (other), rāṣṭra (kingdom), and avamardana (crushing)

Compound type : ṣaṣṭhī-tatpuruṣa (para+rāṣṭra+avamardana)

• para – other, hostile, supreme
  adjective (masculine)
• rāṣṭra – kingdom, country, realm
  noun (neuter)
  Root: rāj
• avamardana – crushing, treading down, subjugation
  noun (neuter)
  Derived from root mṛd (to crush) with prefix ava (down) and nominalizing suffix -ana
  Prefix: ava
  Root: mṛd (class 9)

Note: The 'a' in 'avamardana' merges with the final 'a' of 'rāṣṭra' via vowel sandhi 'a + a = ā' within the compound.

सः (saḥ) - that (he, that, that one)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Refers back to 'yatnaḥ'.

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

(indeclinable)

Note: Emphasizes the preceding word.

यत्नः (yatnaḥ) - effort (effort, exertion, endeavor)

(noun)

Nominative, masculine, singular of yatna

yatna - effort, exertion, endeavor

From root yat (to strive)

Root: yat (class 1)

कर्तव्यः (kartavyaḥ) - should be applied (lit. 'to be made') (to be made, to be done, ought to be done)

(adjective)

Nominative, masculine, singular of kartavya

kartavya - to be made, to be done, ought to be done, fit to be done

Gerundive (Future Passive Participle)

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

Root: kṛ (class 8)

Note: Agrees with 'yatnaḥ'.

स्वराष्ट्रपरिपालने (svarāṣṭraparipālane) - to protecting one's own kingdom (in the protection of one's own kingdom)

(noun)

Locative, neuter, singular of svarāṣṭraparipālana

svarāṣṭraparipālana - protection of one's own kingdom

Compound of sva (one's own), rāṣṭra (kingdom), and paripālana (protection)

Compound type : ṣaṣṭhī-tatpuruṣa (sva+rāṣṭra+paripālana)

• sva – one's own, self
  adjective (masculine)
• rāṣṭra – kingdom, country, realm
  noun (neuter)
  Root: rāj
• paripālana – protection, guarding, maintaining
  noun (neuter)
  Derived from root pā (to protect) with prefix pari (around, completely) and nominalizing suffix -ana
  Prefix: pari
  Root: pā (class 2)