महाभारतः mahābhārataḥ - book-6, chapter-2, verse-2

भविष्यति रणे घोरे भरतानां पितामहः ।
प्रत्यक्षदर्शी भगवान्भूतभव्यभविष्यवित् ॥२॥

2. bhaviṣyati raṇe ghore bharatānāṁ pitāmahaḥ ,
pratyakṣadarśī bhagavānbhūtabhavyabhaviṣyavit.

2. bhaviṣyati raṇe ghore bharatānām pitāmahaḥ
pratyakṣadarśī bhagavān bhūtabhavyabhaviṣyavit

2. (saḥ) ghore raṇe bharatānām pitāmahaḥ bhaviṣyati.
bhagavān pratyakṣadarśī bhūtabhavyabhaviṣyavit (saḥ)

2. (He) will be the grandfather of the Bhāratas (descendants of Bharata) in the dreadful battle; he, the revered (bhagavat) eyewitness who knows the past, present, and future.

Words meanings summery:

• भविष्यति (bhaviṣyati) - Refers to Vyāsa's role in the future war. (he/she/it will be, will happen)

• रणे (raṇe) - Refers to the Mahābhārata war. (in battle, in war, on the battlefield)

• घोरे (ghore) - Describes the upcoming battle. (dreadful, terrible, fearful, fierce)

• भरतानाम् (bharatānām) - Refers to the Kauravas and Pāṇḍavas. (of the Bhāratas, of the descendants of Bharata)

• पितामहः (pitāmahaḥ) - Vyāsa is the biological father of Dhṛtarāṣṭra and Pāṇḍu, making him the grandfather of the Kauravas and Pāṇḍavas. (grandfather, creator (Brahmā))

• प्रत्यक्षदर्शी (pratyakṣadarśī) - Vyāsa's divine vision allows him to see events directly. (one who sees directly, an eyewitness, a direct perceiver)

• भगवान् (bhagavān) - Epithet for Vyāsa. (revered, divine, glorious, illustrious)

• भूतभव्यभविष्यवित् (bhūtabhavyabhaviṣyavit) - Describes Vyāsa's omniscience. (knower of past, present, and future)

Words meanings and morphology

भविष्यति (bhaviṣyati) - Refers to Vyāsa's role in the future war. (he/she/it will be, will happen)

(verb)

3rd person , singular, active, future (lṛṭ) of bhū

Future active 3rd singular

From root bhū, future tense with -iṣya suffix.

Root: bhū (class 1)

रणे (raṇe) - Refers to the Mahābhārata war. (in battle, in war, on the battlefield)

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, war, combat, conflict

From root raṇ (to delight, to war)

Root: raṇ (class 1)

घोरे (ghore) - Describes the upcoming battle. (dreadful, terrible, fearful, fierce)

(adjective)

Locative, masculine, singular of ghora

ghora - dreadful, terrible, fierce, awful

भरतानाम् (bharatānām) - Refers to the Kauravas and Pāṇḍavas. (of the Bhāratas, of the descendants of Bharata)

(proper noun)

Genitive, masculine, plural of bharata

bharata - descendant of Bharata, name of an ancient king, a member of the Bhārata dynasty

Root: bhṛ (class 1)

पितामहः (pitāmahaḥ) - Vyāsa is the biological father of Dhṛtarāṣṭra and Pāṇḍu, making him the grandfather of the Kauravas and Pāṇḍavas. (grandfather, creator (Brahmā))

(noun)

Nominative, masculine, singular of pitāmaha

pitāmaha - paternal grandfather, great-grandfather, Brahmā (as the creator)

Compound (pitṛ + mahā) or derived with a suffix for relation.

Note: Subject is implicit (Vyāsa).

प्रत्यक्षदर्शी (pratyakṣadarśī) - Vyāsa's divine vision allows him to see events directly. (one who sees directly, an eyewitness, a direct perceiver)

(adjective)

Nominative, masculine, singular of pratyakṣadarśin

pratyakṣadarśin - one who sees directly, an eyewitness

Compound (pratyakṣa + darśin)

Compound type : tatpurusha (pratyakṣa+darśin)

• pratyakṣa – perceptible, direct perception, before the eyes
  adjective (neuter)
  From prati + akṣa (eye)
  Prefix: prati
• darśin – seeing, perceiver, one who sees
  adjective (masculine)
  Agent noun (kṛt suffix -in)
  From root dṛś (to see)
  Root: dṛś (class 1)

Note: Adjective modifying the implied subject (Vyāsa).

भगवान् (bhagavān) - Epithet for Vyāsa. (revered, divine, glorious, illustrious)

(adjective)

Nominative, masculine, singular of bhagavat

bhagavat - glorious, divine, fortunate, revered, possessing fortune (bhaga)

Has suffix -vat

Note: Modifies the implied subject (Vyāsa).

भूतभव्यभविष्यवित् (bhūtabhavyabhaviṣyavit) - Describes Vyāsa's omniscience. (knower of past, present, and future)

(adjective)

Nominative, masculine, singular of bhūtabhavyabhaviṣyavid

bhūtabhavyabhaviṣyavid - knower of past, present, and future

Compound (bhūta + bhavya + bhaviṣyat + vid)

Compound type : dvandva-tatpurusha (bhūta+bhavya+bhaviṣyat+vid)

• bhūta – past, existed, being, creature, element
  adjective
  Past Passive Participle
  From root bhū (to be)
  Root: bhū (class 1)
• bhavya – future, existing, proper, to be
  adjective
  Gerundive
  From root bhū (to be) + ya suffix. Here means 'the present'.
  Root: bhū (class 1)
• bhaviṣyat – future, that which will be
  adjective
  Future Active Participle
  From root bhū (to be)
  Root: bhū (class 1)
• vid – knowing, understanding, knower
  adjective (masculine)
  Agent noun (kṛt suffix -d)
  From root vid (to know)
  Root: vid (class 2)

Note: Adjective modifying the implied subject (Vyāsa).