महाभारतः mahābhārataḥ - book-5, chapter-158, verse-34

न भयाद्वासुदेवस्य न चापि तव फल्गुन ।
राज्यं प्रतिप्रदास्यामि युध्यस्व सहकेशवः ॥३४॥

34. na bhayādvāsudevasya na cāpi tava phalguna ,
rājyaṁ pratipradāsyāmi yudhyasva sahakeśavaḥ.

34. na bhayāt vāsudevasya na ca api tava phalguna
rājyam pratipradāsyāmi yudhyasva sahakeśavaḥ

34. phalguna aham vāsudevasya bhayāt na tava api na
rājyam pratipradāsyāmi sahakeśavaḥ yudhyasva

34. O Phalguna, I will not return the kingdom (rājyam) out of fear (bhayāt) of Vāsudeva (Kṛṣṇa), nor even out of fear of you. Fight (yudhyasva) with Keśava!

Words meanings summery:

• न (na) - not, no, nor

• भयात् (bhayāt) - from fear, out of fear

• वासुदेवस्य (vāsudevasya) - of Vāsudeva, of Kṛṣṇa

• न (na) - not, no, nor

• च (ca) - and, also

• अपि (api) - even, also, too

• तव (tava) - your, of you

• फल्गुन (phalguna) - O Arjuna, O Phalguna

• राज्यम् (rājyam) - kingdom, realm, sovereignty, rule

• प्रतिप्रदास्यामि (pratipradāsyāmi) - I will give back, I will return

• युध्यस्व (yudhyasva) - fight!, contend!

• सहकेशवः (sahakeśavaḥ) - accompanied by Kṛṣṇa (with Keśava, accompanied by Keśava)

Words meanings and morphology

न (na) - not, no, nor

(indeclinable)

भयात् (bhayāt) - from fear, out of fear

(noun)

Ablative, neuter, singular of bhaya

bhaya - fear, dread, terror

Derived from root 'bhī' (to fear).

Root: bhī (class 3)

वासुदेवस्य (vāsudevasya) - of Vāsudeva, of Kṛṣṇa

(proper noun)

Genitive, masculine, singular of vāsudeva

vāsudeva - Kṛṣṇa (son of Vasudeva)

A patronymic meaning 'son of Vasudeva', used for Kṛṣṇa.

न (na) - not, no, nor

(indeclinable)

च (ca) - and, also

(indeclinable)

अपि (api) - even, also, too

(indeclinable)

तव (tava) - your, of you

(pronoun)

Genitive, singular of yuṣmad

yuṣmad - you

Second person singular pronoun, genitive case.

फल्गुन (phalguna) - O Arjuna, O Phalguna

(proper noun)

Vocative, masculine, singular of phalguna

phalguna - Arjuna (one of his names)

A name of Arjuna, possibly derived from 'phalgu' (reddish) or a name of a month.

राज्यम् (rājyam) - kingdom, realm, sovereignty, rule

(noun)

Accusative, neuter, singular of rājya

rājya - kingdom, realm, sovereignty, rule

Derived from 'rājan' (king).

प्रतिप्रदास्यामि (pratipradāsyāmi) - I will give back, I will return

(verb)

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

Future Tense

Future tense (lṛṭ) 1st person singular, active voice. Root dā (class 3).

Prefixes: prati+pra

Root: dā (class 3)

युध्यस्व (yudhyasva) - fight!, contend!

(verb)

2nd person , singular, middle, imperative (loṭ) of yudh

Imperative Mood

Imperative (loṭ) 2nd person singular, middle voice. Root yudh (class 4).

Root: yudh (class 4)

सहकेशवः (sahakeśavaḥ) - accompanied by Kṛṣṇa (with Keśava, accompanied by Keśava)

(adjective)

Nominative, masculine, singular of sahakeśava

sahakeśava - accompanied by Keśava

Bahuvrīhi compound meaning 'having Keśava with (him)'.

Compound type : bahuvrīhi (saha+keśava)

• saha – with, accompanied by, together
  indeclinable
• keśava – Keśava (a name of Viṣṇu/Kṛṣṇa)
  proper noun (masculine)

Note: Refers to the implied subject of 'yudhyasva' (you, Arjuna).