महाभारतः mahābhārataḥ - book-5, chapter-139, verse-42

प्रातिप्रस्थानिकं कर्म सात्यकिः स करिष्यति ।
दीक्षितो धार्तराष्ट्रोऽत्र पत्नी चास्य महाचमूः ॥४२॥

42. prātiprasthānikaṁ karma sātyakiḥ sa kariṣyati ,
dīkṣito dhārtarāṣṭro'tra patnī cāsya mahācamūḥ.

42. prātiprasthānikam karma sātyakiḥ sa kariṣyati
dīkṣitaḥ dhārtarāṣṭraḥ atra patnī ca asya mahācamūḥ

42. sātyakiḥ sa prātiprasthānikam karma kariṣyati atra
dhārtarāṣṭraḥ dīkṣitaḥ ca asya mahācamūḥ patnī

42. Satyaki will perform the action (karma) of the Prātiprasthātṛ priest. Here, the son of Dhritarashtra (Duryodhana) will be the consecrated sacrificer (dīkṣita), and his great army will be his wife.

Words meanings summery:

• प्रातिप्रस्थानिकम् (prātiprasthānikam) - relating to the Prātiprasthātṛ priest, the function of a Prātiprasthātṛ

• कर्म (karma) - action, ritual, deed (karma)

• सात्यकिः (sātyakiḥ) - Satyaki (a Yadava warrior)

• स (sa) - he (referring to Satyaki) (he, that)

• करिष्यति (kariṣyati) - will perform, will do

• दीक्षितः (dīkṣitaḥ) - initiated, consecrated (for a sacrifice)

• धार्तराष्ट्रः (dhārtarāṣṭraḥ) - Duryodhana, the chief antagonist (son of Dhritarashtra (Duryodhana or the Kauravas))

• अत्र (atra) - here, in this (sacrifice/battle)

• पत्नी (patnī) - wife, consort (specifically, one participating in sacred rites)

• च (ca) - and

• अस्य (asya) - his

• महाचमूः (mahācamūḥ) - great army

Words meanings and morphology

प्रातिप्रस्थानिकम् (prātiprasthānikam) - relating to the Prātiprasthātṛ priest, the function of a Prātiprasthātṛ

(adjective)

Accusative, neuter, singular of prātiprasthānika

prātiprasthānika - relating to the Prātiprasthātṛ (a specific priest in a Soma sacrifice), his function

Note: It's an adjective describing "karma".

कर्म (karma) - action, ritual, deed (karma)

(noun)

Accusative, neuter, singular of karman

karman - action, deed, ritual, work, fate (karma)

from root kṛ

Root: kṛ (class 8)

सात्यकिः (sātyakiḥ) - Satyaki (a Yadava warrior)

(proper noun)

Nominative, masculine, singular of sātyaki

sātyaki - Satyaki (proper name of a warrior)

Note: A prominent Yadava warrior and Arjuna's charioteer.

स (sa) - he (referring to Satyaki) (he, that)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

Note: Used as a demonstrative pronoun.

करिष्यति (kariṣyati) - will perform, will do

(verb)

3rd person , singular, active, future (lṛṭ) of kṛ

Future Tense

3rd person singular, parasmaipada

Root: kṛ (class 8)

दीक्षितः (dīkṣitaḥ) - initiated, consecrated (for a sacrifice)

(adjective)

Nominative, masculine, singular of dīkṣita

dīkṣita - initiated, consecrated, prepared for a sacrifice

Past Passive Participle

from root dīkṣ, Past Passive Participle

Root: dīkṣ (class 1)

Note: Adjective, agreeing with dhārtarāṣṭraḥ.

धार्तराष्ट्रः (dhārtarāṣṭraḥ) - Duryodhana, the chief antagonist (son of Dhritarashtra (Duryodhana or the Kauravas))

(proper noun)

Nominative, masculine, singular of dhārtarāṣṭra

dhārtarāṣṭra - son of Dhritarashtra, descendant of Dhritarashtra (e.g., Duryodhana)

Patronymic of Dhritarashtra

Note: Refers to Duryodhana.

अत्र (atra) - here, in this (sacrifice/battle)

(indeclinable)

पत्नी (patnī) - wife, consort (specifically, one participating in sacred rites)

(noun)

Nominative, feminine, singular of patnī

patnī - wife, mistress of the house, consort (especially one participating in sacred rites)

feminine of pati

च (ca) - and

(indeclinable)

अस्य (asya) - his

(pronoun)

Genitive, masculine, singular of idam

idam - this, he, she, it

महाचमूः (mahācamūḥ) - great army

(noun)

Nominative, feminine, singular of mahācamu

mahācamu - great army, large host

Compound type : karmadharaya (mahā+camu)

• mahā – great, large, mighty
  adjective
• camu – army, host
  noun (feminine)