महाभारतः mahābhārataḥ - book-7, chapter-10, verse-33

स यदा तात संनह्येत्पाण्डवार्थाय केशवः ।
न तदा प्रत्यनीकेषु भविता तस्य कश्चन ॥३३॥

33. sa yadā tāta saṁnahyetpāṇḍavārthāya keśavaḥ ,
na tadā pratyanīkeṣu bhavitā tasya kaścana.

33. sa yadā tāta saṃnahyet pāṇḍavārthāya keśavaḥ
na tadā pratyanīkeṣu bhavitā tasya kaścana

33. tāta yadā saḥ keśavaḥ pāṇḍavārthāya saṃnahyet
tadā tasya pratyanīkeṣu kaścana na bhavitā

33. O dear one, when Keśava (Krishna) prepares himself for the sake of the Pāṇḍavas, then no one will be able to stand in his opposing ranks.

Words meanings summery:

• स (sa) - he (Krishna) (he, that)

• यदा (yadā) - when, at which time

• तात (tāta) - O dear one (addressing Dhṛtarāṣṭra from Saṃjaya) (dear one, father, son)

• संनह्येत् (saṁnahyet) - he might prepare, he might arm himself

• पाण्डवार्थाय (pāṇḍavārthāya) - for the sake of the Pāṇḍavas

• केशवः (keśavaḥ) - Keśava (an epithet of Krishna)

• न (na) - not, no

• तदा (tadā) - then, at that time

• प्रत्यनीकेषु (pratyanīkeṣu) - in his opposing ranks (in opposing armies, in enemies)

• भविता (bhavitā) - will exist (he will be, there will be)

• तस्य (tasya) - his (Krishna's) (his, of him)

• कश्चन (kaścana) - no one (in conjunction with 'na') (anyone, someone, no one (with negative particle))

Words meanings and morphology

स (sa) - he (Krishna) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

यदा (yadā) - when, at which time

(indeclinable)

तात (tāta) - O dear one (addressing Dhṛtarāṣṭra from Saṃjaya) (dear one, father, son)

(noun)

Vocative, masculine, singular of tāta

tāta - father, dear one, sir, son

संनह्येत् (saṁnahyet) - he might prepare, he might arm himself

(verb)

3rd person , singular, ātmanepada, optative (vidhiliṅ) of saṃ-nah

Prefix: sam

Root: nah (class 4)

पाण्डवार्थाय (pāṇḍavārthāya) - for the sake of the Pāṇḍavas

(noun)

Dative, masculine, singular of pāṇḍavārtha

pāṇḍavārtha - the purpose/sake of the Pāṇḍavas

Compound type : tatpuruṣa (pāṇḍava+artha)

• pāṇḍava – descendant of Pāṇḍu, the Pāṇḍavas
  proper noun (masculine)
• artha – purpose, meaning, sake, wealth
  noun (masculine)

केशवः (keśavaḥ) - Keśava (an epithet of Krishna)

(proper noun)

Nominative, masculine, singular of keśava

keśava - epithet of Krishna, having long hair, slayer of Keśin

न (na) - not, no

(indeclinable)

तदा (tadā) - then, at that time

(indeclinable)

प्रत्यनीकेषु (pratyanīkeṣu) - in his opposing ranks (in opposing armies, in enemies)

(noun)

Locative, masculine, plural of pratyanīka

pratyanīka - opposing army, enemy, hostile

भविता (bhavitā) - will exist (he will be, there will be)

(nominal form)

Nominative, masculine, singular of bhū

bhū - to be, to become, to exist

Future active participle

formed with -tṛ (Nominative singular masculine)

Root: bhū (class 1)

तस्य (tasya) - his (Krishna's) (his, of him)

(pronoun)

Genitive, masculine, singular of tad

tad - that, he, she, it

कश्चन (kaścana) - no one (in conjunction with 'na') (anyone, someone, no one (with negative particle))

(pronoun)

Nominative, masculine, singular of kaścana

kaścana - anyone, someone, a certain person