महाभारतः mahābhārataḥ - book-3, chapter-69, verse-9

प्रतिजानामि ते सत्यं गमिष्यसि नराधिप ।
एकाह्ना पुरुषव्याघ्र विदर्भनगरीं नृप ॥९॥

9. pratijānāmi te satyaṁ gamiṣyasi narādhipa ,
ekāhnā puruṣavyāghra vidarbhanagarīṁ nṛpa.

9. pratijānāmi te satyam gamiṣyasi narādhipa
ekāhnā puruṣavyāghra vidarbhanagarīm nṛpa

9. I truly promise you, O king, O best among men, that you will reach the city of Vidarbha in a single day.

Words meanings summery:

• प्रतिजानामि (pratijānāmi) - I promise, I declare, I affirm

• ते (te) - to you, your

• सत्यम् (satyam) - truth, truly, faithfully

• गमिष्यसि (gamiṣyasi) - you will go, you will reach

• नराधिप (narādhipa) - O king, O ruler of men

• एकाह्ना (ekāhnā) - in one day, by one day

• पुरुषव्याघ्र (puruṣavyāghra) - O tiger among men, O best of men

• विदर्भनगरीम् (vidarbhanagarīm) - to the city of Vidarbha

• नृप (nṛpa) - O king

Words meanings and morphology

प्रतिजानामि (pratijānāmi) - I promise, I declare, I affirm

(verb)

1st person , singular, active, present indicative (laṭ) of pratijñā

Present Active Indicative, 1st person singular

Derived from the root jñā (to know) with the prefix prati.

Prefix: prati

Root: jñā (class 9)

ते (te) - to you, your

(pronoun)

Dative, singular of tvam

tvam - you

Note: Can also be genitive singular. In this context, dative 'to you' fits better with 'I promise'.

सत्यम् (satyam) - truth, truly, faithfully

(indeclinable)

Note: Used adverbially here to mean "truly". Can be accusative singular neuter of the noun 'satya'.

गमिष्यसि (gamiṣyasi) - you will go, you will reach

(verb)

2nd person , singular, active, future indicative (lṛṭ) of gam

Future Active Indicative, 2nd person singular

Derived from the root gam.

Root: gam (class 1)

नराधिप (narādhipa) - O king, O ruler of men

(noun)

Vocative, masculine, singular of narādhipa

narādhipa - king, lord of men

Compound type : tatpuruṣa (nara+adhipa)

• nara – man, person
  noun (masculine)
• adhipa – ruler, lord
  noun (masculine)

एकाह्ना (ekāhnā) - in one day, by one day

(noun)

Instrumental, masculine, singular of ekāhan

ekāhan - one day, a single day

Compound of eka (one) + ahan (day).

Compound type : tatpuruṣa (eka+ahan)

• eka – one, single
  adjective (masculine)
• ahan – day
  noun (neuter)

Note: Instrumental case indicates duration or means.

पुरुषव्याघ्र (puruṣavyāghra) - O tiger among men, O best of men

(noun)

Vocative, masculine, singular of puruṣavyāghra

puruṣavyāghra - tiger among men, best of men

Compound type : tatpuruṣa (puruṣa+vyāghra)

• puruṣa – man, person (puruṣa)
  noun (masculine)
• vyāghra – tiger
  noun (masculine)

विदर्भनगरीम् (vidarbhanagarīm) - to the city of Vidarbha

(proper noun)

Accusative, feminine, singular of vidarbhanagarī

vidarbhanagarī - city of Vidarbha

Compound type : tatpuruṣa (vidarbha+nagarī)

• vidarbha – name of a country and its people
  proper noun (masculine)
• nagarī – city, town
  noun (feminine)

Note: Object of the verb 'gamiṣyasi'.

नृप (nṛpa) - O king

(noun)

Vocative, masculine, singular of nṛpa

nṛpa - king, ruler

From nṛ (man) + pā (to protect).

Note: Repeated vocative for emphasis.