महाभारतः mahābhārataḥ - book-2, chapter-19, verse-21

स्नातकव्रतिनस्ते तु बाहुशस्त्रा निरायुधाः ।
युयुत्सवः प्रविविशुर्जरासंधेन भारत ॥२१॥

21. snātakavratinaste tu bāhuśastrā nirāyudhāḥ ,
yuyutsavaḥ praviviśurjarāsaṁdhena bhārata.

21. snātakavratinaḥ te tu bāhuśastrāḥ nirāyudhāḥ
yuyutsavaḥ praviviśuḥ jarāsaṃdhena bhārata

21. O Bhārata, those who had completed their student vows entered. Although they were unarmed, their powerful arms served as their weapons, and they were eager to fight Jarāsaṃdha.

Words meanings summery:

• स्नातकव्रतिनः (snātakavratinaḥ) - Krishna, Bhima, and Arjuna, presenting themselves as brahmins who have completed their sacred student vows. (those who observe the vow of a snātaka (one who has completed Vedic study))

• ते (te) - Krishna, Bhima, and Arjuna. (they)

• तु (tu) - Emphasizes the contrast or adds an explanatory nuance. (but, indeed, on the other hand)

• बाहुशस्त्राः (bāhuśastrāḥ) - Their own powerful physical arms were their only 'weapons', contrasting with their unarmed appearance. (having arms as weapons)

• निरायुधाः (nirāyudhāḥ) - They entered without any conventional weapons. (unarmed, weaponless)

• युयुत्सवः (yuyutsavaḥ) - Krishna, Bhima, and Arjuna were eager to engage Jarāsaṃdha in battle. (desirous of fighting, eager to fight)

• प्रविविशुः (praviviśuḥ) - Krishna, Bhima, and Arjuna entered the city of Jarāsaṃdha. (they entered)

• जरासंधेन (jarāsaṁdhena) - To fight or confront Jarāsaṃdha. The instrumental case here indicates the object or purpose of their desire to fight. (by Jarāsaṃdha / regarding Jarāsaṃdha)

• भारत (bhārata) - An address to Dhṛtarāṣṭra (or Janamejaya in some contexts). (O descendant of Bharata)

Words meanings and morphology

स्नातकव्रतिनः (snātakavratinaḥ) - Krishna, Bhima, and Arjuna, presenting themselves as brahmins who have completed their sacred student vows. (those who observe the vow of a snātaka (one who has completed Vedic study))

(noun)

Nominative, masculine, plural of snātakavratin

snātakavratin - one who observes the vow of a snātaka

Compound type : tatpuruṣa (snātaka+vratin)

• snātaka – one who has bathed (after completing Vedic study), a student who has completed his sacred studies
  noun (masculine)
  Root: snā (class 2)
• vratin – one who observes a vow, an ascetic, a religious student
  noun (masculine)

Note: From snātakavratin (stem).

ते (te) - Krishna, Bhima, and Arjuna. (they)

(pronoun)

Nominative, masculine, plural of tad

tad - that, he, she, it

तु (tu) - Emphasizes the contrast or adds an explanatory nuance. (but, indeed, on the other hand)

(indeclinable)

बाहुशस्त्राः (bāhuśastrāḥ) - Their own powerful physical arms were their only 'weapons', contrasting with their unarmed appearance. (having arms as weapons)

(adjective)

Nominative, masculine, plural of bāhuśastra

bāhuśastra - having arms as weapons

Compound type : bahuvrīhi (bāhu+śastra)

• bāhu – arm, fore-arm
  noun (masculine)
• śastra – weapon, missile, sword, knife
  noun (neuter)
  Root: śas (class 2)

Note: Used adjectivally to describe 'they'.

निरायुधाः (nirāyudhāḥ) - They entered without any conventional weapons. (unarmed, weaponless)

(adjective)

Nominative, masculine, plural of nirāyudha

nirāyudha - unarmed, weaponless

Compound type : bahuvrīhi (nis+āyudha)

• nis – without, out, free from
  indeclinable
• āyudha – weapon, implement, tool
  noun (neuter)
  Prefix: ā
  Root: yudh (class 4)

Note: Used adjectivally to describe 'they'.

युयुत्सवः (yuyutsavaḥ) - Krishna, Bhima, and Arjuna were eager to engage Jarāsaṃdha in battle. (desirous of fighting, eager to fight)

(adjective)

Nominative, masculine, plural of yuyutsu

yuyutsu - desirous of fighting, eager to fight

desiderative adjective

Derived from the desiderative stem of root 'yudh' + 'u'.

Root: yudh (class 4)

Note: Used adjectivally to describe 'they'.

प्रविविशुः (praviviśuḥ) - Krishna, Bhima, and Arjuna entered the city of Jarāsaṃdha. (they entered)

(verb)

3rd person , plural, active, past perfect (liṭ) of pravis

Perfect (Liṭ) 3rd person plural active.

Prefixes: pra+vis

Root: viś (class 6)

जरासंधेन (jarāsaṁdhena) - To fight or confront Jarāsaṃdha. The instrumental case here indicates the object or purpose of their desire to fight. (by Jarāsaṃdha / regarding Jarāsaṃdha)

(proper noun)

Instrumental, masculine, singular of jarāsaṃdha

jarāsaṁdha - Name of a powerful king of Magadha, adversary of Krishna.

Note: Instrumental case often used to express purpose or object in certain contexts, here 'to fight Jarāsaṃdha'.

भारत (bhārata) - An address to Dhṛtarāṣṭra (or Janamejaya in some contexts). (O descendant of Bharata)

(proper noun)

Vocative, masculine, singular of bhārata

bhārata - descendant of Bharata, relating to Bharata