महाभारतः mahābhārataḥ - book-14, chapter-61, verse-14

यच्चापि वृष्णिवीरेण कृष्णेन कुरुनन्दन ।
पुरोक्तं तत्तथा भावि मा तेऽत्रास्तु विचारणा ॥१४॥

14. yaccāpi vṛṣṇivīreṇa kṛṣṇena kurunandana ,
puroktaṁ tattathā bhāvi mā te'trāstu vicāraṇā.

14. yat ca api vṛṣṇivīreṇa kṛṣṇena kurunandana purā
uktam tat tathā bhāvi mā te atra astu vicāraṇā

14. kurunandana yat ca api vṛṣṇivīreṇa kṛṣṇena purā
uktam tat tathā bhāvi te atra vicāraṇā mā astu

14. And whatever was stated previously by Kṛṣṇa, the hero of the Vṛṣṇis, O joy of the Kurus, that will surely come to pass exactly as predicted. Therefore, do not have any doubt concerning this.

Words meanings summery:

• यत् (yat) - whatever (which, what, whatever, that)

• च (ca) - and (and, also)

• अपि (api) - also, indeed (emphatic) (also, even, too; (often used as an emphatic particle))

• वृष्णिवीरेण (vṛṣṇivīreṇa) - by the hero of the Vṛṣṇis (referring to Kṛṣṇa) (by the hero of the Vṛṣṇis)

• कृष्णेन (kṛṣṇena) - by Lord Kṛṣṇa (by Kṛṣṇa)

• कुरुनन्दन (kurunandana) - O delight of the Kurus (vocative, addressing a Kuru prince like Arjuna or Yudhiṣṭhira) (O delight of the Kurus, O son of the Kurus)

• पुरा (purā) - previously (formerly, previously, in ancient times)

• उक्तम् (uktam) - said, spoken (said, spoken, told)

• तत् (tat) - that (referring to what was said) (that, that very thing)

• तथा (tathā) - in that way, exactly so (thus, so, in that manner)

• भावि (bhāvi) - will surely come to pass (will be, is going to happen, future)

• मा (mā) - do not (do not, not (prohibitive particle))

• ते (te) - for you (dative sense) (to you, for you, your)

• अत्र (atra) - concerning this, here (here, in this matter)

• अस्तु (astu) - let there be (or not be, with mā) (let it be, may it be)

• विचारणा (vicāraṇā) - doubt, hesitation (consideration, deliberation, doubt, hesitation)

Words meanings and morphology

यत् (yat) - whatever (which, what, whatever, that)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, whatever

Note: This is also an indeclinable 'that, because'. Here it's a pronoun.

च (ca) - and (and, also)

(indeclinable)

अपि (api) - also, indeed (emphatic) (also, even, too; (often used as an emphatic particle))

(indeclinable)

वृष्णिवीरेण (vṛṣṇivīreṇa) - by the hero of the Vṛṣṇis (referring to Kṛṣṇa) (by the hero of the Vṛṣṇis)

(noun)

Instrumental, masculine, singular of vṛṣṇivīra

vṛṣṇivīra - hero of the Vṛṣṇis

Compound type : tatpuruṣa (vṛṣṇi+vīra)

• vṛṣṇi – name of an ancient Yadava clan
  proper noun (masculine)
• vīra – hero, valiant man
  noun (masculine)

कृष्णेन (kṛṣṇena) - by Lord Kṛṣṇa (by Kṛṣṇa)

(proper noun)

Instrumental, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (a proper noun); black, dark blue

कुरुनन्दन (kurunandana) - O delight of the Kurus (vocative, addressing a Kuru prince like Arjuna or Yudhiṣṭhira) (O delight of the Kurus, O son of the Kurus)

(noun)

Vocative, masculine, singular of kurunandana

kurunandana - delight of the Kurus, son of the Kurus

Compound type : tatpuruṣa (kuru+nandana)

• kuru – a member of the Kuru dynasty
  proper noun (masculine)
• nandana – son, joy, delight
  noun (masculine)
  Derived from root nand (to rejoice).
  Root: nand (class 1)

पुरा (purā) - previously (formerly, previously, in ancient times)

(indeclinable)

उक्तम् (uktam) - said, spoken (said, spoken, told)

(adjective)

Nominative, neuter, singular of ukta

ukta - said, spoken

Past Passive Participle

Derived from root vac (to speak) + kta suffix.

Root: vac (class 2)

तत् (tat) - that (referring to what was said) (that, that very thing)

(pronoun)

Nominative, neuter, singular of tad

tad - that, that one

तथा (tathā) - in that way, exactly so (thus, so, in that manner)

(indeclinable)

भावि (bhāvi) - will surely come to pass (will be, is going to happen, future)

(adjective)

Nominative, neuter, singular of bhāvin

bhāvin - future, about to be, destined to be

future active participle

Derived from root bhū (to be) with future sense suffix -in.

Root: bhū (class 1)

मा (mā) - do not (do not, not (prohibitive particle))

(indeclinable)

ते (te) - for you (dative sense) (to you, for you, your)

(pronoun)

Dative, singular of tvad

tvad - you (2nd person pronoun)

अत्र (atra) - concerning this, here (here, in this matter)

(indeclinable)

अस्तु (astu) - let there be (or not be, with mā) (let it be, may it be)

(verb)

3rd person , singular, active, imperative (loṭ) of as

Root: as (class 2)

विचारणा (vicāraṇā) - doubt, hesitation (consideration, deliberation, doubt, hesitation)

(noun)

Nominative, feminine, singular of vicāraṇā

vicāraṇā - deliberation, investigation, doubt, hesitation

Derived from vi-car (to move about, ponder).

Prefix: vi

Root: car (class 1)