महाभारतः mahābhārataḥ - book-1, chapter-99, verse-21

ततस्तस्मिन्प्रतिज्ञाते भीष्मेण कुरुनन्दन ।
कृष्णद्वैपायनं काली चिन्तयामास वै मुनिम् ॥२१॥

21. tatastasminpratijñāte bhīṣmeṇa kurunandana ,
kṛṣṇadvaipāyanaṁ kālī cintayāmāsa vai munim.

21. tataḥ tasmin pratijñāte bhīṣmeṇa kurunandana
kṛṣṇadvaipāyanam kālī cintayāmāsa vai munim

21. Then, O delight of the Kurus, after that vow had been made by Bhishma, Kāli (Satyavatī) indeed contemplated the sage Kṛṣṇa Dvaipāyana (Vyāsa).

Words meanings summery:

• ततः (tataḥ) - then, thereupon, from that

• तस्मिन् (tasmin) - in that (vow/promise) (in that, on that)

• प्रतिज्ञाते (pratijñāte) - that (vow) having been made (having been promised, being vowed)

• भीष्मेण (bhīṣmeṇa) - by Bhishma

• कुरुनन्दन (kurunandana) - O descendant of the Kuru clan! (an address to a Kuru king or Yudhishthira) (O delight of the Kurus!)

• कृष्णद्वैपायनम् (kṛṣṇadvaipāyanam) - Krishna Dvaipayana (Vyāsa)

• काली (kālī) - Kālī (Satyavatī, Vyāsa's mother) (Kālī)

• चिन्तयामास (cintayāmāsa) - thought, pondered, contemplated

• वै (vai) - indeed, surely, verily

• मुनिम् (munim) - the sage (Kṛṣṇa Dvaipāyana / Vyāsa) (the sage)

Words meanings and morphology

ततः (tataḥ) - then, thereupon, from that

(indeclinable)

तस्मिन् (tasmin) - in that (vow/promise) (in that, on that)

(pronoun)

Locative, masculine, singular of tad

tad - that, he, she, it

प्रतिज्ञाते (pratijñāte) - that (vow) having been made (having been promised, being vowed)

(adjective)

Locative, masculine, singular of pratijñāta

pratijñāta - promised, vowed, agreed, known

Past Passive Participle

from root jñā with prefix prati

Prefix: prati

Root: jñā (class 9)

भीष्मेण (bhīṣmeṇa) - by Bhishma

(proper noun)

Instrumental, masculine, singular of bhīṣma

bhīṣma - Bhishma (name of a character)

कुरुनन्दन (kurunandana) - O descendant of the Kuru clan! (an address to a Kuru king or Yudhishthira) (O delight of the Kurus!)

(noun)

Vocative, masculine, singular of kurunandana

kurunandana - delight of the Kurus, a Kuru prince

Compound type : tatpurusha (kuru+nandana)

• kuru – Kuru (name of a king and his dynasty)
  proper noun (masculine)
• nandana – delighting, gladdening, son, child
  noun (masculine)
  Root: nand (class 1)

कृष्णद्वैपायनम् (kṛṣṇadvaipāyanam) - Krishna Dvaipayana (Vyāsa)

(proper noun)

Accusative, masculine, singular of kṛṣṇadvaipāyana

kṛṣṇadvaipāyana - Krishna Dvaipayana (Vyāsa, the arranger of the Vedas and author of the Mahabharata)

Compound type : karmadhāraya (kṛṣṇa+dvaipāyana)

• kṛṣṇa – dark, black; Krishna (name of a deity/person)
  adjective (masculine)
• dvaipāyana – dweller of an island; Dvaipayana (an epithet of Vyāsa)
  noun (masculine)

काली (kālī) - Kālī (Satyavatī, Vyāsa's mother) (Kālī)

(proper noun)

Nominative, feminine, singular of kālī

kālī - dark-skinned (feminine); Kālī (name of a goddess or a woman, here Satyavatī)

चिन्तयामास (cintayāmāsa) - thought, pondered, contemplated

(verb)

3rd person , singular, active, past perfect (lit) of cint

periphrastic perfect

formed with the auxiliary verb āmāsa, (root cint + āmāsa)

Root: cint (class 10)

वै (vai) - indeed, surely, verily

(indeclinable)

मुनिम् (munim) - the sage (Kṛṣṇa Dvaipāyana / Vyāsa) (the sage)

(noun)

Accusative, masculine, singular of muni

muni - sage, ascetic, seer, saint

Root: man (class 4)