महाभारतः mahābhārataḥ - book-7, chapter-87, verse-69

तथोक्तः सात्यकिं प्राह व्रज त्वं कार्यसिद्धये ।
अहं राज्ञः करिष्यामि रक्षां पुरुषसत्तम ॥६९॥

69. tathoktaḥ sātyakiṁ prāha vraja tvaṁ kāryasiddhaye ,
ahaṁ rājñaḥ kariṣyāmi rakṣāṁ puruṣasattama.

69. tathā uktaḥ sātyakim prāha vraja tvam kārya
siddhaye aham rājñaḥ kariṣyāmi rakṣām puruṣasattama

69. puruṣasattama tathā uktaḥ sātyakim prāha: tvam kārya siddhaye vraja,
aham rājñaḥ rakṣām kariṣyāmi.

69. Thus spoken to, he said to Sātyaki, 'You go for the accomplishment of the task. O best among men (puruṣa), I will undertake the king's protection.'

Words meanings summery:

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

• उक्तः (uktaḥ) - spoken, said, addressed

• सात्यकिम् (sātyakim) - Sātyaki (a proper name)

• प्राह (prāha) - he said, he spoke

• व्रज (vraja) - go!, proceed!

• त्वम् (tvam) - you

• कार्य (kārya) - work, task, duty, purpose

• सिद्धये (siddhaye) - for the accomplishment, for the success

• अहम् (aham) - I

• राज्ञः (rājñaḥ) - of the king

• करिष्यामि (kariṣyāmi) - I will undertake (protection) (I will do, I will make, I will perform)

• रक्षाम् (rakṣām) - protection, guarding

• पुरुषसत्तम (puruṣasattama) - O best among men (puruṣa)

Words meanings and morphology

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

(indeclinable)

उक्तः (uktaḥ) - spoken, said, addressed

(adjective)

Nominative, masculine, singular of ukta

ukta - spoken, said, addressed

Past Passive Participle

Derived from root 'vac' (to speak)

Root: vac (class 2)

सात्यकिम् (sātyakim) - Sātyaki (a proper name)

(proper noun)

Accusative, masculine, singular of sātyaki

sātyaki - Sātyaki (a proper name, Kṛṣṇa's charioteer or a Vṛṣṇi hero)

प्राह (prāha) - he said, he spoke

(verb)

3rd person , singular, active, perfect (lit) of prāha

Perfect (lit)

From root 'ah' (to say) with upasarga 'pra'

Prefix: pra

Root: ah (class 2)

व्रज (vraja) - go!, proceed!

(verb)

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

Imperative

Root: vraj (class 1)

त्वम् (tvam) - you

(pronoun)

Nominative, singular of tvam

yuṣmad - you

कार्य (kārya) - work, task, duty, purpose

(noun)

Nominative, neuter, singular of kārya

kārya - work, task, duty, purpose; what is to be done

Gerundive/Future Passive Participle

Derived from root 'kṛ' (to do)

Root: kṛ (class 8)

सिद्धये (siddhaye) - for the accomplishment, for the success

(noun)

Dative, feminine, singular of siddhi

siddhi - accomplishment, success, perfection, attainment

Root: sidh (class 4)

Note: Here, 'kārya-siddhaye' is a dative compound indicating purpose: 'for the accomplishment of the task'.

अहम् (aham) - I

(pronoun)

Nominative, singular of aham

mad - I

राज्ञः (rājñaḥ) - of the king

(noun)

Genitive, masculine, singular of rājan

rājan - king, ruler

करिष्यामि (kariṣyāmi) - I will undertake (protection) (I will do, I will make, I will perform)

(verb)

1st person , singular, active, future (lṛṭ) of kṛ

Future

Root: kṛ (class 8)

रक्षाम् (rakṣām) - protection, guarding

(noun)

Accusative, feminine, singular of rakṣā

rakṣā - protection, guarding, defense

Root: rakṣ (class 1)

पुरुषसत्तम (puruṣasattama) - O best among men (puruṣa)

(noun)

Vocative, masculine, singular of puruṣasattama

puruṣasattama - best among men

Compound type : tatpuruṣa (puruṣa+sattama)

• puruṣa – man, person, spirit, human being
  noun (masculine)
• sattama – best, most excellent
  adjective (masculine)
  Superlative of 'sat' (good)