महाभारतः mahābhārataḥ - book-3, chapter-260, verse-5

तदर्थमवतीर्णोऽसौ मन्नियोगाच्चतुर्भुजः ।
विष्णुः प्रहरतां श्रेष्ठः स कर्मैतत्करिष्यति ॥५॥

5. tadarthamavatīrṇo'sau manniyogāccaturbhujaḥ ,
viṣṇuḥ praharatāṁ śreṣṭhaḥ sa karmaitatkariṣyati.

5. tadartham avatīrṇaḥ asau mat niyogāt caturbhujaḥ
viṣṇuḥ praharatām śreṣṭhaḥ saḥ karma etat kariṣyati

5. For that purpose, the four-armed Viṣṇu, who is the foremost among warriors, has descended by my command. He will accomplish this action (karma).

Words meanings summery:

• तदर्थम् (tadartham) - for that purpose, for its sake

• अवतीर्णः (avatīrṇaḥ) - descended, incarnated, come down

• असौ (asau) - he, that one

• मत् (mat) - my, from me

• नियोगात् (niyogāt) - by the command, by the order, from the injunction

• चतुर्भुजः (caturbhujaḥ) - the four-armed one

• विष्णुः (viṣṇuḥ) - Viṣṇu (a major Hindu deity)

• प्रहरताम् (praharatām) - of those who strike, among warriors

• श्रेष्ठः (śreṣṭhaḥ) - best, most excellent, supreme

• सः (saḥ) - he, that (person)

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

• एतत् (etat) - this (referring to the action/deed)

• करिष्यति (kariṣyati) - will do, will perform, will make

Words meanings and morphology

तदर्थम् (tadartham) - for that purpose, for its sake

(indeclinable)

Compound type : tatpurusha (tad+artha)

• tad – that, it
  pronoun (neuter)
• artha – purpose, meaning, aim, cause
  noun (masculine)

अवतीर्णः (avatīrṇaḥ) - descended, incarnated, come down

(adjective)

Nominative, masculine, singular of avatīrṇa

avatīrṇa - descended, alighted, incarnated, crossed over

Past Passive Participle

Formed from prefix 'ava' + root 'tṝ' (to cross, pass over)

Prefix: ava

Root: tṝ (class 1)

असौ (asau) - he, that one

(pronoun)

Nominative, masculine, singular of adas

adas - that, that one (more remote than 'tad')

मत् (mat) - my, from me

(pronoun)

Ablative, singular of asmad

asmad - I, me, my, we, us, our

Note: Here used like a possessive (my command) with 'niyogāt'.

नियोगात् (niyogāt) - by the command, by the order, from the injunction

(noun)

Ablative, masculine, singular of niyoga

niyoga - command, order, injunction, appointment, duty

From prefix 'ni' + root 'yuj' (to join, apply, appoint)

Prefix: ni

Root: yuj (class 7)

चतुर्भुजः (caturbhujaḥ) - the four-armed one

(noun)

Nominative, masculine, singular of caturbhuja

caturbhuja - four-armed (epithet for Viṣṇu)

Compound type : bahuvrihi (catur+bhuja)

• catur – four
  numeral
• bhuja – arm, hand
  noun (masculine)

विष्णुः (viṣṇuḥ) - Viṣṇu (a major Hindu deity)

(proper noun)

Nominative, masculine, singular of viṣṇu

viṣṇu - Viṣṇu, the Preserver god

प्रहरताम् (praharatām) - of those who strike, among warriors

(participle)

Genitive, masculine, plural of praharat

praharat - one who strikes, fighter, warrior

Present Active Participle

Formed from prefix 'pra' + root 'hṛ' (to seize, carry, strike)

Prefix: pra

Root: hṛ (class 1)

श्रेष्ठः (śreṣṭhaḥ) - best, most excellent, supreme

(adjective)

Nominative, masculine, singular of śreṣṭha

śreṣṭha - best, excellent, chief, principal

Superlative degree of 'praśasya' (praiseworthy)

सः (saḥ) - he, that (person)

(pronoun)

Nominative, masculine, singular of tad

tad - that, he, she, it

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

(noun)

Accusative, neuter, singular of karman

karman - action, deed, work, ritual action, fate, consequence of actions (karma)

From root 'kṛ' (to do)

Root: kṛ (class 8)

एतत् (etat) - this (referring to the action/deed)

(pronoun)

Accusative, neuter, singular of etad

etad - this, this one

करिष्यति (kariṣyati) - will do, will perform, will make

(verb)

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

Root: kṛ (class 8)