महाभारतः mahābhārataḥ - book-1, chapter-207, verse-5

अवतीर्य नरश्रेष्ठो ब्राह्मणैः सह भारत ।
प्राचीं दिशमभिप्रेप्सुर्जगाम भरतर्षभः ॥५॥

5. avatīrya naraśreṣṭho brāhmaṇaiḥ saha bhārata ,
prācīṁ diśamabhiprepsurjagāma bharatarṣabhaḥ.

5. avatīrya naraśreṣṭhaḥ brāhmaṇaiḥ saha bhārata
prācīm diśam abhiprepsuḥ jagāma bharatarṣabhaḥ

5. O Bhārata, that excellent man, the chief among the Bharatas, having dismounted along with the Brahmins, departed, desiring to reach the eastern direction.

Words meanings summery:

• अवतीर्य (avatīrya) - having descended, having dismounted

• नरश्रेष्ठः (naraśreṣṭhaḥ) - best among men, excellent man

• ब्राह्मणैः (brāhmaṇaiḥ) - with Brahmins

• सह (saha) - with, along with

• भारत (bhārata) - O Bhārata, O descendant of Bharata

• प्राचीम् (prācīm) - eastern

• दिशम् (diśam) - direction, quarter

• अभिप्रेप्सुः (abhiprepsuḥ) - desiring to reach, wishing to go

• जगाम (jagāma) - went

• भरतर्षभः (bharatarṣabhaḥ) - chief among the Bharatas, excellent Bharata

Words meanings and morphology

अवतीर्य (avatīrya) - having descended, having dismounted

(indeclinable)

absolutive

formed with prefix ava- and root tṝ, suffix -ya

Prefix: ava

Root: tṝ (class 1)

नरश्रेष्ठः (naraśreṣṭhaḥ) - best among men, excellent man

(noun)

Nominative, masculine, singular of naraśreṣṭha

naraśreṣṭha - best of men, chief of men

Compound type : tatpurusha (nara+śreṣṭha)

• nara – man, human being, person
  noun (masculine)
• śreṣṭha – best, most excellent, chief
  adjective (masculine)
  superlative of praśasya (excellent)

ब्राह्मणैः (brāhmaṇaiḥ) - with Brahmins

(noun)

Instrumental, masculine, plural of brāhmaṇa

brāhmaṇa - a Brahmin, belonging to the Brahmin caste

Root: brahman

सह (saha) - with, along with

(indeclinable)

भारत (bhārata) - O Bhārata, O descendant of Bharata

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - a descendant of Bharata, an Indian, name of a country

patronymic from Bharata

प्राचीम् (prācīm) - eastern

(adjective)

Accusative, feminine, singular of prācī

prācī - eastern, east direction

feminine form of prāc

Root: prāñc

दिशम् (diśam) - direction, quarter

(noun)

Accusative, feminine, singular of diś

diś - direction, quarter of the sky, region

Root: diś (class 6)

अभिप्रेप्सुः (abhiprepsuḥ) - desiring to reach, wishing to go

(adjective)

Nominative, masculine, singular of abhiprepsu

abhiprepsu - desirous of going towards, wishing to obtain

desiderative participle

from desiderative stem of pra-ī (to go towards) + suffix u

Prefixes: abhi+pra

Root: ī (class 2)

जगाम (jagāma) - went

(verb)

3rd person , singular, active, perfect (liṭ) of gam

Root: gam (class 1)

भरतर्षभः (bharatarṣabhaḥ) - chief among the Bharatas, excellent Bharata

(noun)

Nominative, masculine, singular of bharatarṣabha

bharatarṣabha - bull among the Bharatas, foremost of the Bharatas

Compound type : tatpurusha (bharata+ṛṣabha)

• bharata – a descendant of Bharata, a king of the Pūru dynasty, name of a people
  proper noun (masculine)
• ṛṣabha – bull, chief, excellent one
  noun (masculine)