महाभारतः mahābhārataḥ - book-8, chapter-66, verse-52

विसृजास्त्रं परं पार्थ राधेयो ग्रसते शरान् ।
ब्रह्मास्त्रमर्जुनश्चापि संमन्त्र्याथ प्रयोजयत् ॥५२॥

52. visṛjāstraṁ paraṁ pārtha rādheyo grasate śarān ,
brahmāstramarjunaścāpi saṁmantryātha prayojayat.

52. visṛja astram param pārtha rādheyaḥ grasate śarān
brahma-astram arjunaḥ ca api sammantrya atha prayojayat

52. pārtha param astram visṛja rādheyaḥ śarān grasate ca
api arjunaḥ brahmāstram sammantrya atha prayojayat

52. "O Partha, unleash a supreme weapon! Radheya (Karna) is neutralizing your arrows." And Arjuna, after invoking the Brahmastra (divine weapon) with a mantra, then deployed it.

Words meanings summery:

• विसृज (visṛja) - release, discharge, let loose

• अस्त्रम् (astram) - weapon, missile

• परम् (param) - supreme, excellent, another

• पार्थ (pārtha) - O Partha (Arjuna)

• राधेयः (rādheyaḥ) - Radheya (Karna)

• ग्रसते (grasate) - swallows, devours, consumes, neutralizes

• शरान् (śarān) - arrows

• ब्रह्म-अस्त्रम् (brahma-astram) - the Brahmastra (divine weapon)

• अर्जुनः (arjunaḥ) - Arjuna

• च (ca) - and

• अपि (api) - also, even

• सम्मन्त्र्य (sammantrya) - having consecrated, having invoked with a mantra

• अथ (atha) - then, thereupon

• प्रयोजयत् (prayojayat) - he employed, applied, discharged

Words meanings and morphology

विसृज (visṛja) - release, discharge, let loose

(verb)

2nd person , singular, active, imperative (loṭ) of visṛj

imperative

2nd person singular, active voice

Prefix: vi

Root: sṛj (class 6)

अस्त्रम् (astram) - weapon, missile

(noun)

Accusative, neuter, singular of astra

astra - weapon, missile, magical weapon

Root: as (class 4)

Note: Object of 'visṛja'

परम् (param) - supreme, excellent, another

(adjective)

Accusative, neuter, singular of para

para - supreme, highest, excellent, other, next

Note: Qualifies astram

पार्थ (pārtha) - O Partha (Arjuna)

(proper noun)

Vocative, masculine, singular of pārtha

pārtha - son of Pṛthā (Kunti); a name of Arjuna

derived from Pṛthā

राधेयः (rādheyaḥ) - Radheya (Karna)

(proper noun)

Nominative, masculine, singular of rādheya

rādheya - son of Rādhā; a name for Karṇa

derived from Rādhā

Note: Subject of 'grasate'

ग्रसते (grasate) - swallows, devours, consumes, neutralizes

(verb)

3rd person , singular, middle, present (laṭ) of gras

present

3rd person singular, middle voice (ātmanepada)

Root: gras (class 1)

Note: Contextually means 'neutralizing' or 'making ineffective'.

शरान् (śarān) - arrows

(noun)

Accusative, masculine, plural of śara

śara - arrow

Note: Object of 'grasate'

ब्रह्म-अस्त्रम् (brahma-astram) - the Brahmastra (divine weapon)

(noun)

Accusative, neuter, singular of brahmāstra

brahmāstra - the Brahmastra, a powerful divine weapon associated with Brahma

Compound type : tatpurusha (brahma+astra)

• brahma – Brahma (the creator deity)
  proper noun (masculine)
• astra – weapon, missile
  noun (neuter)
  Root: as (class 4)

Note: Object of 'prayojayat'

अर्जुनः (arjunaḥ) - Arjuna

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna (a proper name, one of the Pandavas)

Note: Subject of 'prayojayat'

च (ca) - and

(indeclinable)

अपि (api) - also, even

(indeclinable)

सम्मन्त्र्य (sammantrya) - having consecrated, having invoked with a mantra

(indeclinable)

absolutive

from root mantr- 'to advise, to consult, to consecrate' with prefix sam-

Prefix: sam

Root: mantr (class 10)

अथ (atha) - then, thereupon

(indeclinable)

प्रयोजयत् (prayojayat) - he employed, applied, discharged

(verb)

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

imperfect past (causative)

3rd person singular, active voice, causative form

Prefix: pra

Root: yuj (class 7)

Note: Causative from root yuj.