महाभारतः mahābhārataḥ - book-1, chapter-38, verse-31

प्राप्ते तु दिवसे तस्मिन्सप्तमे द्विजसत्तम ।
काश्यपोऽभ्यागमद्विद्वांस्तं राजानं चिकित्सितुम् ॥३१॥

31. prāpte tu divase tasminsaptame dvijasattama ,
kāśyapo'bhyāgamadvidvāṁstaṁ rājānaṁ cikitsitum.

31. prāpte tu divase tasmin saptame dvijasattama
kāśyapaḥ abhyāgamat vidvān tam rājānam cikitsitum

31. But when that seventh day arrived, O best of brahmins, the learned Kāśyapa approached that king to treat him.

Words meanings summery:

• प्राप्ते (prāpte) - upon the arrival of, when it had come (having arrived, obtained, reached)

• तु (tu) - introducing a new event or a slight contrast, 'now, as for that' (but, indeed, yet, on the other hand)

• दिवसे (divase) - referring to the specific seventh day (on the day)

• तस्मिन् (tasmin) - referring to the specific day mentioned (in that, on that)

• सप्तमे (saptame) - referring to the seventh day from a certain point (on the seventh)

• द्विजसत्तम (dvijasattama) - a vocative address to Janamejaya by the narrator (O best of brahmins!)

• काश्यपः (kāśyapaḥ) - the specific sage who intends to heal King Parīkṣit (Kāśyapa (a sage's name))

• अभ्यागमत् (abhyāgamat) - Kāśyapa came towards the king (he came, he approached)

• विद्वान् (vidvān) - indicating Kāśyapa's expertise in healing (learned, wise, knowing)

• तम् (tam) - referring to King Parīkṣit (that, him)

• राजानम् (rājānam) - King Parīkṣit, the object of Kāśyapa's approach (king)

• चिकित्सितुम् (cikitsitum) - to provide medical care for the snakebite (to treat, to heal)

Words meanings and morphology

प्राप्ते (prāpte) - upon the arrival of, when it had come (having arrived, obtained, reached)

(adjective)

Locative, masculine, singular of prāpta

prāpta - reached, obtained, arrived, attained

past passive participle

root āp (to obtain) + prefix pra + suffix kta (ta)

Prefix: pra

Root: āp (class 5)

तु (tu) - introducing a new event or a slight contrast, 'now, as for that' (but, indeed, yet, on the other hand)

(indeclinable)

दिवसे (divase) - referring to the specific seventh day (on the day)

(noun)

Locative, masculine, singular of divasa

divasa - day

Note: Part of locative absolute.

तस्मिन् (tasmin) - referring to the specific day mentioned (in that, on that)

(pronoun)

Locative, masculine, singular of tad

tad - that, he, she, it

Note: Qualifies `divase`.

सप्तमे (saptame) - referring to the seventh day from a certain point (on the seventh)

(adjective)

Locative, masculine, singular of saptama

saptama - seventh

ordinal number from sapta (seven)

Note: Qualifies `divase`.

द्विजसत्तम (dvijasattama) - a vocative address to Janamejaya by the narrator (O best of brahmins!)

(noun)

Vocative, masculine, singular of dvijasattama

dvijasattama - best among brahmins, highest of the twice-born

superlative suffix -tama

Compound type : tatpuruṣa (dvija+sattama)

• dvija – twice-born, brahmin, bird, tooth
  noun (masculine)
• sattama – best, excellent, most eminent
  adjective (masculine)
  superlative of sat (good)

काश्यपः (kāśyapaḥ) - the specific sage who intends to heal King Parīkṣit (Kāśyapa (a sage's name))

(noun)

Nominative, masculine, singular of kāśyapa

kāśyapa - name of a celebrated Vedic sage, a patronymic of certain other sages

Note: Subject of the verb `abhyāgamat`.

अभ्यागमत् (abhyāgamat) - Kāśyapa came towards the king (he came, he approached)

(verb)

3rd person , singular, active, past imperfect (laṅ) of gam

Prefixes: abhi+ā

Root: gam (class 1)

Note: The initial 'a' is the augment for past tenses.

विद्वान् (vidvān) - indicating Kāśyapa's expertise in healing (learned, wise, knowing)

(adjective)

Nominative, masculine, singular of vidvat

vidvat - knowing, learned, wise, intelligent

present active participle

root vid (to know) + śatṛ suffix

Root: vid (class 2)

तम् (tam) - referring to King Parīkṣit (that, him)

(pronoun)

Accusative, masculine, singular of tad

tad - that, he, she, it

Note: Qualifies `rājānam`.

राजानम् (rājānam) - King Parīkṣit, the object of Kāśyapa's approach (king)

(noun)

Accusative, masculine, singular of rājan

rājan - king, sovereign

Note: Direct object of `abhyāgamat`.

चिकित्सितुम् (cikitsitum) - to provide medical care for the snakebite (to treat, to heal)

(verb)

active, infinitive (tumun) of cikits

desiderative verb stem

desiderative of root kṛ (to do/make, or perhaps simply from a root meaning to treat) + suffix tumun

Root: kṛ

Note: Expresses purpose.