महाभारतः mahābhārataḥ - book-4, chapter-56, verse-12

ध्वजवृक्षं पत्तितृणं रथसिंहगणायुतम् ।
वनमादीपयिष्यामि कुरूणामस्त्रतेजसा ॥१२॥

12. dhvajavṛkṣaṁ pattitṛṇaṁ rathasiṁhagaṇāyutam ,
vanamādīpayiṣyāmi kurūṇāmastratejasā.

12. dhvajavṛkṣam pattitṛṇam rathasiṃhagaṇāyutam
vanam ādīpayiṣyāmi kurūṇām astratejasā

12. I will set ablaze the forest of the Kurus, which is filled with banner-trees, fallen grass, and throngs of lion-like chariots, using the power of my weapons.

Words meanings summery:

• ध्वजवृक्षम् (dhvajavṛkṣam) - banner-tree, tree with banners

• पत्तितृणम् (pattitṛṇam) - fallen grass

• रथसिंहगणायुतम् (rathasiṁhagaṇāyutam) - filled with throngs of lion-like chariots

• वनम् (vanam) - The forest belonging to the Kurus. (forest, wood, grove)

• आदीपयिष्यामि (ādīpayiṣyāmi) - I will set ablaze, I will kindle, I will ignite

• कुरूणाम् (kurūṇām) - of the Kurus

• अस्त्रतेजसा (astratejasā) - with the power of weapons

Words meanings and morphology

ध्वजवृक्षम् (dhvajavṛkṣam) - banner-tree, tree with banners

(noun)

Accusative, neuter, singular of dhvajavṛkṣa

dhvajavṛkṣa - banner-tree, a tree serving as a banner or marked with banners

Tatpurusha compound.

Compound type : tatpuruṣa (dhvaja+vṛkṣa)

• dhvaja – banner, flag, standard
  noun (masculine)
• vṛkṣa – tree
  noun (masculine)

Note: Adjective describing 'vanam'.

पत्तितृणम् (pattitṛṇam) - fallen grass

(noun)

Accusative, neuter, singular of pattitṛṇa

pattitṛṇa - grass that has fallen

Tatpurusha compound, where 'patita' is a past passive participle used adjectivally.

Compound type : tatpuruṣa (patita+tṛṇa)

• patita – fallen, dropped, descended
  adjective (masculine)
  Past Passive Participle
  From root 'pat' (to fall).
  Root: pat (class 1)
• tṛṇa – grass, straw, herb
  noun (neuter)

Note: Adjective describing 'vanam'.

रथसिंहगणायुतम् (rathasiṁhagaṇāyutam) - filled with throngs of lion-like chariots

(adjective)

Accusative, neuter, singular of rathasiṃhagaṇāyuta

rathasiṁhagaṇāyuta - occupied or filled with hosts of chariots likened to lions

Bahuvrihi compound. 'ratha-siṃha' (chariot-lion, like lion-like chariots); 'ratha-siṃha-gaṇa' (multitude of lion-like chariots); 'āyuta' (joined, filled).

Compound type : bahuvrīhi (ratha+siṃha+gaṇa+āyuta)

• ratha – chariot
  noun (masculine)
• siṃha – lion
  noun (masculine)
• gaṇa – throng, multitude, host, group
  noun (masculine)
• āyuta – joined, united, filled, occupied
  adjective (neuter)
  Past Passive Participle
  From root 'yu' (to join, to connect) with prefix 'ā'.
  Prefix: ā
  Root: yu (class 2)

Note: Adjective describing 'vanam'.

वनम् (vanam) - The forest belonging to the Kurus. (forest, wood, grove)

(noun)

Accusative, neuter, singular of vana

vana - forest, wood, grove, thicket

Note: Object of 'ādīpayiṣyāmi'.

आदीपयिष्यामि (ādīpayiṣyāmi) - I will set ablaze, I will kindle, I will ignite

(verb)

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

causal

Future tense, 1st person singular, active voice, causal stem from root 'dīp' with prefix 'ā'.

Prefix: ā

Root: dīp (class 4)

Note: The subject 'I' is implied by the verb ending.

कुरूणाम् (kurūṇām) - of the Kurus

(proper noun)

Genitive, masculine, plural of kuru

kuru - a member of the Kuru dynasty/tribe

Note: Possessive, referring to 'their forest'.

अस्त्रतेजसा (astratejasā) - with the power of weapons

(noun)

Instrumental, neuter, singular of astratejas

astratejas - weapon-power, fiery energy of weapons

Tatpurusha compound.

Compound type : tatpuruṣa (astra+tejas)

• astra – weapon (missile weapon)
  noun (neuter)
• tejas – splendor, brilliance, energy, power, might, spiritual power
  noun (neuter)

Note: Instrumental case indicates means or instrument.