महाभारतः mahābhārataḥ - book-5, chapter-139, verse-31

ऐन्द्रं पाशुपतं ब्राह्मं स्थूणाकर्णं च माधव ।
मन्त्रास्तत्र भविष्यन्ति प्रयुक्ताः सव्यसाचिना ॥३१॥

31. aindraṁ pāśupataṁ brāhmaṁ sthūṇākarṇaṁ ca mādhava ,
mantrāstatra bhaviṣyanti prayuktāḥ savyasācinā.

31. aindram pāśupatam brāhmam sthūṇākarṇam ca mādhava
mantrāḥ tatra bhaviṣyanti prayuktāḥ savyasācinā

31. mādhava tatra savyasācinā aindram pāśupatam brāhmam
sthūṇākarṇam ca mantrāḥ prayuktāḥ bhaviṣyanti

31. O Mādhava, the divine powers/weapons (mantras) such as Aindra, Pāśupata, Brāhma, and Sthūṇākarṇa will be employed there by Arjuna (Savyasācin).

Words meanings summery:

• ऐन्द्रम् (aindram) - the divine power/weapon associated with Indra (pertaining to Indra, Indra's, divine (of Indra))

• पाशुपतम् (pāśupatam) - the divine power/weapon associated with Paśupati (Śiva) (pertaining to Paśupati (Śiva), Śiva's)

• ब्राह्मम् (brāhmam) - the divine power/weapon associated with Brahmā (pertaining to Brahmā, divine, holy)

• स्थूणाकर्णम् (sthūṇākarṇam) - the divine weapon named Sthūṇākarṇa (name of a divine weapon, pillar-eared)

• च (ca) - and

• माधव (mādhava) - O Krishna (O Mādhava (a name of Krishna))

• मन्त्राः (mantrāḥ) - powerful incantations or divine weapons invoked by them (sacred incantations, spells, hymns)

• तत्र (tatra) - there (in the battle/situation mentioned) (there, then, in that place/situation)

• भविष्यन्ति (bhaviṣyanti) - will be (will be, will happen)

• प्रयुक्ताः (prayuktāḥ) - employed, discharged (referring to weapons/mantras) (employed, used, applied)

• सव्यसाचिना (savyasācinā) - by Arjuna, who is ambidextrous (by Arjuna, by the ambidextrous one)

Words meanings and morphology

ऐन्द्रम् (aindram) - the divine power/weapon associated with Indra (pertaining to Indra, Indra's, divine (of Indra))

(adjective)

neuter, singular of aindra

aindra - pertaining to Indra

derived from Indra with aṇ pratyaya

Note: Used here as a substantive referring to a specific divine power or weapon, typically invoked by a mantra, and implied to be among the 'mantrāḥ'.

पाशुपतम् (pāśupatam) - the divine power/weapon associated with Paśupati (Śiva) (pertaining to Paśupati (Śiva), Śiva's)

(adjective)

neuter, singular of pāśupata

pāśupata - pertaining to Paśupati

derived from Paśupati with aṇ pratyaya

Note: Used here as a substantive referring to a specific divine power or weapon, typically invoked by a mantra, and implied to be among the 'mantrāḥ'.

ब्राह्मम् (brāhmam) - the divine power/weapon associated with Brahmā (pertaining to Brahmā, divine, holy)

(adjective)

neuter, singular of brāhma

brāhma - pertaining to Brahmā, sacred, divine

derived from Brahman with aṇ pratyaya

Note: Used here as a substantive referring to a specific divine power or weapon, typically invoked by a mantra, and implied to be among the 'mantrāḥ'.

स्थूणाकर्णम् (sthūṇākarṇam) - the divine weapon named Sthūṇākarṇa (name of a divine weapon, pillar-eared)

(proper noun)

neuter, singular of sthūṇākarṇa

sthūṇākarṇa - Sthūṇākarṇa (a specific weapon or entity), pillar-eared

Compound type : karmadhāraya (sthūṇā+karṇa)

• sthūṇā – pillar, post
  noun (feminine)
• karṇa – ear, handle
  noun (masculine)

च (ca) - and

(indeclinable)

माधव (mādhava) - O Krishna (O Mādhava (a name of Krishna))

(proper noun)

Vocative, masculine, singular of mādhava

mādhava - a descendant of Madhu, Krishna

मन्त्राः (mantrāḥ) - powerful incantations or divine weapons invoked by them (sacred incantations, spells, hymns)

(noun)

Nominative, masculine, plural of mantra

mantra - sacred incantation, hymn

derived from man + tra (suffix)

Root: man (class 4)

Note: Acts as the subject of the sentence. The preceding neuter singular words 'aindram' etc. are implicitly associated with these mantras, possibly referring to specific types of mantras or the weapons invoked by them.

तत्र (tatra) - there (in the battle/situation mentioned) (there, then, in that place/situation)

(indeclinable)

भविष्यन्ति (bhaviṣyanti) - will be (will be, will happen)

(verb)

3rd person , plural, active, future (lṛṭ) of bhū

Future Tense

Future tense 3rd plural

Root: bhū (class 1)

प्रयुक्ताः (prayuktāḥ) - employed, discharged (referring to weapons/mantras) (employed, used, applied)

(adjective)

Nominative, masculine, plural of prayukta

prayukta - employed, used, connected

Past Passive Participle

from pra + yuj, Past Passive Participle

Prefix: pra

Root: yuj (class 7)

Note: Agrees with 'mantrāḥ'.

सव्यसाचिना (savyasācinā) - by Arjuna, who is ambidextrous (by Arjuna, by the ambidextrous one)

(proper noun)

Instrumental, masculine, singular of savyasācin

savyasācin - ambidextrous, Arjuna

Compound type : bahuvrihi (savya+sācin)

• savya – left
  adjective
• sācin – shooting, throwing
  adjective
  derived from root sāc 'to shoot'
  Root: sāc