महाभारतः mahābhārataḥ - book-14, chapter-66, verse-13

यद्येवं त्वं प्रतिश्रुत्य न करोषि वचः शुभम् ।
सफलं वृष्णिशार्दूल मृतां मामुपधारय ॥१३॥

13. yadyevaṁ tvaṁ pratiśrutya na karoṣi vacaḥ śubham ,
saphalaṁ vṛṣṇiśārdūla mṛtāṁ māmupadhāraya.

13. yadi evam tvam pratiśrutya na karoṣi vacaḥ śubham
| saphalam vṛṣṇiśārdūla mṛtām mām upadhāraya

13. vṛṣṇiśārdūla yadi tvam evam pratiśrutya śubham vacaḥ
na karoṣi (tarhi) mṛtām saphalam mām upadhāraya

13. O best of the Vṛṣṇis, if, having given this promise, you do not fulfill your auspicious word, then consider me dead and (my death) purposeful.

Words meanings summery:

• यदि (yadi) - if

• एवम् (evam) - thus, so, in this manner

• त्वम् (tvam) - you (nominative)

• प्रतिश्रुत्य (pratiśrutya) - having promised, having vowed

• न (na) - not

• करोषि (karoṣi) - you do, you make, you perform

• वचः (vacaḥ) - word, speech, statement

• शुभम् (śubham) - auspicious, good, beautiful

• सफलम् (saphalam) - meaningful, having served a purpose (even in death) (fruitful, successful, having results)

• वृष्णिशार्दूल (vṛṣṇiśārdūla) - An epithet for Krishna (O tiger among the Vṛṣṇis, O best of the Vṛṣṇis)

• मृताम् (mṛtām) - dead (feminine)

• माम् (mām) - me

• उपधारय (upadhāraya) - consider, hold, regard, perceive

Words meanings and morphology

यदि (yadi) - if

(indeclinable)

एवम् (evam) - thus, so, in this manner

(indeclinable)

त्वम् (tvam) - you (nominative)

(pronoun)

Nominative, singular of yuṣmad

yuṣmad - you

प्रतिश्रुत्य (pratiśrutya) - having promised, having vowed

(indeclinable)

absolutive

Derived from root śru (to hear) with prefix prati + lyap suffix (indicating prior action).

Prefix: prati

Root: śru (class 5)

न (na) - not

(indeclinable)

करोषि (karoṣi) - you do, you make, you perform

(verb)

2nd person , singular, active, present indicative (laṭ) of kṛ

Root: kṛ (class 8)

वचः (vacaḥ) - word, speech, statement

(noun)

Accusative, neuter, singular of vacas

vacas - word, speech, statement, saying

Root: vac (class 2)

शुभम् (śubham) - auspicious, good, beautiful

(adjective)

Accusative, neuter, singular of śubha

śubha - auspicious, good, beautiful, propitious

Note: Modifies 'vacaḥ'.

सफलम् (saphalam) - meaningful, having served a purpose (even in death) (fruitful, successful, having results)

(adjective)

Accusative, feminine, singular of saphala

saphala - fruitful, effective, successful

Compound type : bahuvrīhi (sa+phala)

• sa – with, together with
  indeclinable
• phala – fruit, result, consequence
  noun (neuter)

Note: Functions as a predicative adjective modifying 'mām' (feminine form 'saphalām' would be expected, but neuter 'saphalam' can be used adverbially or as a generic outcome).

वृष्णिशार्दूल (vṛṣṇiśārdūla) - An epithet for Krishna (O tiger among the Vṛṣṇis, O best of the Vṛṣṇis)

(proper noun)

Vocative, masculine, singular of vṛṣṇiśārdūla

vṛṣṇiśārdūla - tiger among the Vṛṣṇis (i.e., best of the Vṛṣṇis)

Compound type : ṣaṣṭhī-tatpuruṣa (vṛṣṇi+śārdūla)

• vṛṣṇi – a member of the Vṛṣṇi clan (a Yadava sub-clan)
  proper noun (masculine)
• śārdūla – tiger (often used as a superlative suffix, 'chief, best')
  noun (masculine)

मृताम् (mṛtām) - dead (feminine)

(adjective)

Accusative, feminine, singular of mṛta

mṛta - dead, deceased

Past Passive Participle

Derived from root mṛ (to die) with kta suffix.

Root: mṛ (class 6)

Note: Modifies 'mām'.

माम् (mām) - me

(pronoun)

Accusative, singular of asmad

asmad - I, me

उपधारय (upadhāraya) - consider, hold, regard, perceive

(verb)

2nd person , singular, active, present imperative (loṭ) of upadhāraya

Causative imperative

Root dhṛ (to hold) with prefix upa, causative suffix -i + imperative ending.

Prefix: upa

Root: dhṛ (class 1)