महाभारतः mahābhārataḥ - book-3, chapter-42, verse-23

गृहाणास्त्रं महाबाहो दण्डमप्रतिवारणम् ।
अनेनास्त्रेण सुमहत्त्वं हि कर्म करिष्यसि ॥२३॥

23. gṛhāṇāstraṁ mahābāho daṇḍamaprativāraṇam ,
anenāstreṇa sumahattvaṁ hi karma kariṣyasi.

23. gṛhāṇa astram mahābāho daṇḍam aprativāraṇam
anena astreṇa sumahattvaṃ hi karma kariṣyasi

23. O mighty-armed one, take this irresistible weapon, the Daṇḍa. By means of this weapon, you will indeed perform deeds (karma) of great magnitude.

Words meanings summery:

• गृहाण (gṛhāṇa) - take, accept, seize

• अस्त्रम् (astram) - weapon, missile

• महाबाहो (mahābāho) - O Arjuna (addressing Arjuna) (O mighty-armed one)

• दण्डम् (daṇḍam) - the divine weapon known as Daṇḍa (rod, staff, punishment, Daṇḍa (a divine weapon))

• अप्रतिवारणम् (aprativāraṇam) - irresistible, unopposable, unconquerable

• अनेन (anena) - by this

• अस्त्रेण (astreṇa) - by the weapon

• सुमहत्त्वं (sumahattvaṁ) - great importance or magnitude, implicitly describing the quality of `karma` to be performed (greatness, magnitude, great importance)

• हि (hi) - 'indeed', emphasizing the certainty (indeed, certainly, for)

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

• करिष्यसि (kariṣyasi) - you will do, you will perform

Words meanings and morphology

गृहाण (gṛhāṇa) - take, accept, seize

(verb)

2nd person , singular, middle, imperative (loṭ) of gṛh

imperative

9th class verb (lunghati)

Root: gṛh (class 9)

अस्त्रम् (astram) - weapon, missile

(noun)

Accusative, neuter, singular of astra

astra - weapon, missile, dart, projectile

from root as (to throw)

Root: as (class 4)

Note: Object of `gṛhāṇa`.

महाबाहो (mahābāho) - O Arjuna (addressing Arjuna) (O mighty-armed one)

(proper noun)

Vocative, masculine, singular of mahābāhu

mahābāhu - mighty-armed, a strong person, an epithet of Vishnu, Krishna, Arjuna

Compound type : bahuvrīhi (mahā+bāhu)

• mahā – great, mighty
  adjective
• bāhu – arm, fore-arm
  noun (masculine)

दण्डम् (daṇḍam) - the divine weapon known as Daṇḍa (rod, staff, punishment, Daṇḍa (a divine weapon))

(noun)

Accusative, masculine, singular of daṇḍa

daṇḍa - staff, rod, punishment, scepter, an army, a specific divine weapon

Root: daṇḍ (class 10)

Note: Object of `gṛhāṇa`.

अप्रतिवारणम् (aprativāraṇam) - irresistible, unopposable, unconquerable

(adjective)

Accusative, neuter, singular of aprativāraṇa

aprativāraṇa - irresistible, unopposable, unhindered

a (negative) + prati (against) + vāraṇa (warding off)

Compound type : nañ-tatpuruṣa (a+prativāraṇa)

• a – not, un-
  indeclinable
  negative prefix
• prativāraṇa – hindrance, opposition, warding off
  noun (neuter)
  from prati-vṛ (to ward off)
  Prefix: prati
  Root: vṛ (class 5)

Note: Qualifies `daṇḍam` and `astram`.

अनेन (anena) - by this

(pronoun)

Instrumental, masculine, singular of idam

idam - this, that

Note: Refers to `astram`.

अस्त्रेण (astreṇa) - by the weapon

(noun)

Instrumental, neuter, singular of astra

astra - weapon, missile

from root as (to throw)

Root: as (class 4)

Note: Means of action.

सुमहत्त्वं (sumahattvaṁ) - great importance or magnitude, implicitly describing the quality of `karma` to be performed (greatness, magnitude, great importance)

(noun)

Accusative, neuter, singular of sumahattva

sumahattva - greatness, magnitude, excellence, great importance

su (good/very) + mahat (great) + tva (suffix for noun)

Compound type : karmadhāraya (su+mahattva)

• su – good, well, very, easily
  indeclinable
  prefix
• mahattva – greatness, importance, magnitude
  noun (neuter)
  from mahat (great) + tva (suffix)

Note: Acts as an object to `kariṣyasi` and implicitly describes the quality of `karma`.

हि (hi) - 'indeed', emphasizing the certainty (indeed, certainly, for)

(indeclinable)

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

(noun)

Accusative, neuter, singular of karma

karma - action, deed, work, ritual, consequence of action (karma)

from root kṛ (to do, to make)

Root: kṛ (class 8)

Note: Object of `kariṣyasi`.

करिष्यसि (kariṣyasi) - you will do, you will perform

(verb)

2nd person , singular, active, future (lṛṭ) of kṛ

future tense

from root kṛ (to do)

Root: kṛ (class 8)

Note: Subject `tvam` (implied).