महाभारतः mahābhārataḥ - book-13, chapter-39, verse-12

यदि शक्या कुरुश्रेष्ठ रक्षा तासां कथंचन ।
कर्तुं वा कृतपूर्वा वा तन्मे व्याख्यातुमर्हसि ॥१२॥

12. yadi śakyā kuruśreṣṭha rakṣā tāsāṁ kathaṁcana ,
kartuṁ vā kṛtapūrvā vā tanme vyākhyātumarhasi.

12. yadi śakyā kuruśreṣṭha rakṣā tāsām kathaṃcana
kartum vā kṛtapūrvā vā tat me vyākhyātum arhasi

12. yadi kuruśreṣṭha tāsām rakṣā kathaṃcana kartum
vā kṛtapūrvā vā śakyā tat me vyākhyātum arhasi

12. If, O best of the Kurus, their protection is somehow possible, whether it is to be undertaken or has been accomplished previously, you ought to explain that to me.

Words meanings summery:

• यदि (yadi) - if, in case

• शक्या (śakyā) - possible, capable

• कुरुश्रेष्ठ (kuruśreṣṭha) - O best of the Kurus

• रक्षा (rakṣā) - protection, guarding

• तासाम् (tāsām) - of the women (of them (feminine plural))

• कथंचन (kathaṁcana) - somhow, in any way, at all

• कर्तुम् (kartum) - to be undertaken (with śakyā) (to do, to make, to undertake)

• वा (vā) - or

• कृतपूर्वा (kṛtapūrvā) - done before, previously accomplished

• वा (vā) - or

• तत् (tat) - that (referring to the explanation) (that, therefore)

• मे (me) - my, to me

• व्याख्यातुम् (vyākhyātum) - to explain, to interpret

• अर्हसि (arhasi) - you ought (to explain) (you ought, you are able, you deserve)

Words meanings and morphology

यदि (yadi) - if, in case

(indeclinable)

शक्या (śakyā) - possible, capable

(adjective)

Nominative, feminine, singular of śakya

śakya - possible, practicable, capable, conquerable

Gerundive (kṛtya)

From root ŚAK (to be able) with suffix -ya. Expresses possibility or obligation.

Root: śak (class 5)

Note: Feminine nominative singular, agreeing with 'rakṣā'.

कुरुश्रेष्ठ (kuruśreṣṭha) - O best of the Kurus

(proper noun)

Vocative, masculine, singular of kuruśreṣṭha

kuruśreṣṭha - best among the Kurus, chief of the Kuru dynasty (an epithet)

Compound type : tatpuruṣa (kuru+śreṣṭha)

• kuru – a member of the Kuru dynasty, the Kuru country
  proper noun (masculine)
• śreṣṭha – best, most excellent, chief
  adjective (masculine/feminine/neuter)
  Superlative form of praśasya (excellent).

रक्षा (rakṣā) - protection, guarding

(noun)

Nominative, feminine, singular of rakṣā

rakṣā - protection, guard, preservation, defense

Derived from root RAKṢ (to protect).

Root: rakṣ (class 1)

तासाम् (tāsām) - of the women (of them (feminine plural))

(pronoun)

Genitive, feminine, plural of tad

tad - that, those, she, they

Note: Feminine genitive plural of 'tad'.

कथंचन (kathaṁcana) - somhow, in any way, at all

(indeclinable)

Compound of katham (how) and cana (particle).

Compound type : avyayībhāva (katham+cana)

• katham – how, in what manner
  indeclinable
• cana – even, also, at all
  indeclinable
  An emphatic or indefinite particle.

कर्तुम् (kartum) - to be undertaken (with śakyā) (to do, to make, to undertake)

(indeclinable)

infinitive

Formed with suffix -tum.

Root: kṛ (class 8)

Note: Infinitive form.

वा (vā) - or

(indeclinable)

कृतपूर्वा (kṛtapūrvā) - done before, previously accomplished

(adjective)

Nominative, feminine, singular of kṛtapūrvā

kṛtapūrvā - done before, previously done, accomplished earlier

Compound of kṛta (done) and pūrva (before).

Compound type : karmadhāraya (kṛta+pūrva)

• kṛta – done, made, performed, accomplished
  adjective (past passive participle) (masculine/feminine/neuter)
  Past Passive Participle
  From root KṚ (to do).
  Root: kṛ (class 8)
• pūrva – previous, former, prior, earlier
  adjective (masculine/feminine/neuter)

Note: Feminine nominative singular, implied as predicate for 'rakṣā'.

वा (vā) - or

(indeclinable)

तत् (tat) - that (referring to the explanation) (that, therefore)

(pronoun)

Accusative, neuter, singular of tad

tad - that, this, it

Note: Accusative singular neuter, object of 'vyākhyātum arhasi'.

मे (me) - my, to me

(pronoun)

Dative, singular of asmad

asmad - I, me

Note: Enclitic form for genitive/dative singular.

व्याख्यातुम् (vyākhyātum) - to explain, to interpret

(indeclinable)

infinitive

From root KHYĀ (to be known, tell) with prefixes VYĀ-. Formed with suffix -tum.

Prefixes: vi+ā

Root: khyā (class 2)

Note: Infinitive form.

अर्हसि (arhasi) - you ought (to explain) (you ought, you are able, you deserve)

(verb)

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

Root: arh (class 1)

Note: Present 2nd singular of √arh.