महाभारतः mahābhārataḥ - book-6, chapter-103, verse-29

हनिष्यामि रणे भीष्ममाहूय पुरुषर्षभम् ।
पश्यतां धार्तराष्ट्राणां यदि नेच्छति फल्गुनः ॥२९॥

29. haniṣyāmi raṇe bhīṣmamāhūya puruṣarṣabham ,
paśyatāṁ dhārtarāṣṭrāṇāṁ yadi necchati phalgunaḥ.

29. haniṣyāmi raṇe bhīṣmam āhūya puruṣarṣabham
paśyatām dhārtarāṣṭrāṇām yadi na icchati phālgunaḥ

29. yadi phālgunaḥ na icchati,
[tataḥ] raṇe puruṣarṣabham bhīṣmam āhūya dhārtarāṣṭrāṇām paśyatām [aham] haniṣyāmi.

29. I will slay Bhīṣma, that foremost of men (puruṣarṣabham), in battle, challenging him, while the Dhārtarāṣṭras watch, if Phālguna (Arjuna) does not desire to do so.

Words meanings summery:

• हनिष्यामि (haniṣyāmi) - I will kill, I will strike

• रणे (raṇe) - in battle, in war

• भीष्मम् (bhīṣmam) - Bhīṣma

• आहूय (āhūya) - having challenged, having called

• पुरुषर्षभम् (puruṣarṣabham) - the best of men, bull among men

• पश्यताम् (paśyatām) - of those who watch, while watching

• धार्तराष्ट्राणाम् (dhārtarāṣṭrāṇām) - of the sons of Dhṛtarāṣṭra (the Kauravas)

• यदि (yadi) - if

• न (na) - not

• इच्छति (icchati) - desires, wishes

• फाल्गुनः (phālgunaḥ) - Phālguna (Arjuna)

Words meanings and morphology

हनिष्यामि (haniṣyāmi) - I will kill, I will strike

(verb)

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

Future tense, Active voice, 1st person singular

Derived from root han (class 2).

Root: han (class 2)

रणे (raṇe) - in battle, in war

(noun)

Locative, masculine, singular of raṇa

raṇa - battle, combat, war

भीष्मम् (bhīṣmam) - Bhīṣma

(proper noun)

Accusative, masculine, singular of bhīṣma

bhīṣma - Bhīṣma (a revered warrior and patriarch in the Mahābhārata)

आहूय (āhūya) - having challenged, having called

(indeclinable)

Absolutive (Gerund)

Absolutive form derived from root hve (hū) with prefix ā.

Prefix: ā

Root: hve (class 1)

पुरुषर्षभम् (puruṣarṣabham) - the best of men, bull among men

(noun)

Accusative, masculine, singular of puruṣarṣabha

puruṣarṣabha - foremost of men, bull among men (metaphor for excellence)

Compound type : tatpuruṣa (puruṣa+ṛṣabha)

• puruṣa – man, person, cosmic being (puruṣa)
  noun (masculine)
• ṛṣabha – bull, chief, excellent one
  noun (masculine)

पश्यताम् (paśyatām) - of those who watch, while watching

(adjective)

Genitive, masculine, plural of paśyat

paśyat - seeing, watching

Present Active Participle

Derived from root dṛś (paśya stem), present active participle.

Root: dṛś (class 1)

Note: Refers to Dhārtarāṣṭras.

धार्तराष्ट्राणाम् (dhārtarāṣṭrāṇām) - of the sons of Dhṛtarāṣṭra (the Kauravas)

(proper noun)

Genitive, masculine, plural of dhārtarāṣṭra

dhārtarāṣṭra - son of Dhṛtarāṣṭra, a Kaurava

यदि (yadi) - if

(indeclinable)

न (na) - not

(indeclinable)

इच्छति (icchati) - desires, wishes

(verb)

3rd person , singular, active, present (laṭ) of iṣ

Present tense, Active voice, 3rd person singular

Derived from root iṣ (class 6, with reduplication for 'icch').

Root: iṣ (class 6)

फाल्गुनः (phālgunaḥ) - Phālguna (Arjuna)

(proper noun)

Nominative, masculine, singular of phālguna

phālguna - Phālguna (an epithet of Arjuna, born in the month of Phālguna)