महाभारतः mahābhārataḥ - book-7, chapter-121, verse-28

यथा चैतन्न जानीयात्स राजा पृथिवीपतिः ।
तथा कुरु कुरुश्रेष्ठ दिव्यमस्त्रमुपाश्रितः ॥२८॥

28. yathā caitanna jānīyātsa rājā pṛthivīpatiḥ ,
tathā kuru kuruśreṣṭha divyamastramupāśritaḥ.

28. yathā ca etat na jānīyāt saḥ rājā pṛthivīpatiḥ
tathā kuru kuruśreṣṭha divyam astram upāśritaḥ

28. kuruśreṣṭha divyam astram upāśritaḥ tathā kuru,
yathā ca saḥ pṛthivīpatiḥ rājā etat na jānīyāt

28. O best of Kurus, having resorted to the divine weapon, act in such a way that the king, the ruler of the earth, does not come to know of this.

Words meanings summery:

• यथा (yathā) - as, just as, in what manner, so that

• च (ca) - and, also, moreover

• एतत् (etat) - this

• न (na) - not

• जानीयात् (jānīyāt) - may know, should know

• सः (saḥ) - he, that

• राजा (rājā) - king, ruler

• पृथिवीपतिः (pṛthivīpatiḥ) - lord of the earth, ruler of the earth

• तथा (tathā) - so, thus, in that manner, therefore

• कुरु (kuru) - do, make, perform

• कुरुश्रेष्ठ (kuruśreṣṭha) - O best of Kurus, O foremost of Kurus

• दिव्यम् (divyam) - divine, heavenly

• अस्त्रम् (astram) - weapon, missile

• उपाश्रितः (upāśritaḥ) - having resorted to, having taken refuge in, dependent on

Words meanings and morphology

यथा (yathā) - as, just as, in what manner, so that

(indeclinable)

च (ca) - and, also, moreover

(indeclinable)

एतत् (etat) - this

(pronoun)

Accusative, neuter, singular of etad

etad - this

न (na) - not

(indeclinable)

जानीयात् (jānīyāt) - may know, should know

(verb)

3rd person , singular, active, optative (vidhi-liṅ) of jñā

Root: jñā (class 9)

सः (saḥ) - he, that

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

राजा (rājā) - king, ruler

(noun)

Nominative, masculine, singular of rājan

rājan - king, ruler, monarch

पृथिवीपतिः (pṛthivīpatiḥ) - lord of the earth, ruler of the earth

(noun)

Nominative, masculine, singular of pṛthivīpati

pṛthivīpati - lord of the earth, king

Compound type : tatpuruṣa (pṛthivī+pati)

• pṛthivī – earth, land
  noun (feminine)
• pati – lord, master, husband
  noun (masculine)

तथा (tathā) - so, thus, in that manner, therefore

(indeclinable)

कुरु (kuru) - do, make, perform

(verb)

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

Root: kṛ (class 8)

कुरुश्रेष्ठ (kuruśreṣṭha) - O best of Kurus, O foremost of Kurus

(noun)

Vocative, masculine, singular of kuruśreṣṭha

kuruśreṣṭha - best among the Kurus

Compound type : tatpuruṣa (kuru+śreṣṭha)

• kuru – name of an ancient king, clan
  proper noun (masculine)
• śreṣṭha – best, most excellent
  adjective (masculine)

दिव्यम् (divyam) - divine, heavenly

(adjective)

Accusative, neuter, singular of divya

divya - divine, heavenly, celestial

अस्त्रम् (astram) - weapon, missile

(noun)

Accusative, neuter, singular of astra

astra - weapon, missile, dart

उपाश्रितः (upāśritaḥ) - having resorted to, having taken refuge in, dependent on

(adjective)

Nominative, masculine, singular of upāśrita

upāśrita - resorted to, taken refuge in, dependent on

Past Passive Participle

derived from verb root śri with upa and ā prefixes.

Prefixes: upa+ā

Root: śri (class 1)

Note: Agreeing with the implied subject of 'kuru' (Arjuna).