महाभारतः mahābhārataḥ - book-5, chapter-165, verse-21

आसाद्य माममोघेषुं गमिष्यन्ति दिशो दश ।
पाण्डवाः सहपञ्चालाः शार्दूलं वृषभा इव ॥२१॥

21. āsādya māmamogheṣuṁ gamiṣyanti diśo daśa ,
pāṇḍavāḥ sahapañcālāḥ śārdūlaṁ vṛṣabhā iva.

21. āsādya mām amogheṣum gamiṣyanti diśaḥ daśa
pāṇḍavāḥ sahapañcālāḥ śārdūlam vṛṣabhā iva

21. amogheṣum mām āsādya pāṇḍavāḥ sahapañcālāḥ
daśa diśaḥ śārdūlam vṛṣabhā iva gamiṣyanti

21. When they confront me, whose arrows are unfailing, the Pāṇḍavas along with the Pañcālas will flee in all ten directions, just as bulls would flee from a tiger.

Words meanings summery:

• आसाद्य (āsādya) - having approached, having encountered

• माम् (mām) - the speaker (Karṇa) (me)

• अमोघेषुम् (amogheṣum) - describing the speaker (Karṇa) as having unfailing arrows (whose arrows are unfailing, having unfailing arrows)

• गमिष्यन्ति (gamiṣyanti) - they will go, they will flee

• दिशः (diśaḥ) - directions

• दश (daśa) - all ten directions (implies fleeing everywhere) (ten)

• पाण्डवाः (pāṇḍavāḥ) - the Pāṇḍavas

• सहपञ्चालाः (sahapañcālāḥ) - the Pāṇḍavas united with the Pañcālas (with the Pañcālas)

• शार्दूलम् (śārdūlam) - tiger

• वृषभा (vṛṣabhā) - bulls

• इव (iva) - like, as, as if

Words meanings and morphology

आसाद्य (āsādya) - having approached, having encountered

(indeclinable)

absolutive (gerund)

Absolutive form with prefix 'ā'.

Prefix: ā

Root: sad (class 1)

Note: Functions as a verbal adverb.

माम् (mām) - the speaker (Karṇa) (me)

(pronoun)

Accusative, singular of asmad

asmad - I, we (first person pronoun)

अमोघेषुम् (amogheṣum) - describing the speaker (Karṇa) as having unfailing arrows (whose arrows are unfailing, having unfailing arrows)

(adjective)

Accusative, masculine, singular of amogheṣu

amogheṣu - one whose arrows are unfailing

Compound type : bahuvrihi (amogha+iṣu)

• amogha – unfailing, infallible, effective, successful
  adjective (masculine)
  Prefix 'a-' (negation) + 'mogha' (vain, useless).
• iṣu – arrow
  noun (masculine)
  From root 'iṣ' (to send, to move).
  Root: iṣ (class 0)

Note: Agrees with 'mām'.

गमिष्यन्ति (gamiṣyanti) - they will go, they will flee

(verb)

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

Root: gam (class 1)

दिशः (diśaḥ) - directions

(noun)

Accusative, feminine, plural of diś

diś - direction, quarter of the sky

दश (daśa) - all ten directions (implies fleeing everywhere) (ten)

(numeral)

Note: Agrees with 'diśaḥ'.

पाण्डवाः (pāṇḍavāḥ) - the Pāṇḍavas

(proper noun)

Nominative, masculine, plural of pāṇḍava

pāṇḍava - descendant of Pāṇḍu, son of Pāṇḍu (Yudhiṣṭhira, Bhīma, Arjuna, Nakula, Sahadeva)

From 'Pāṇḍu' (name of a king).

सहपञ्चालाः (sahapañcālāḥ) - the Pāṇḍavas united with the Pañcālas (with the Pañcālas)

(adjective)

Nominative, masculine, plural of sahapañcāla

sahapañcāla - those accompanied by the Pañcālas

Compound type : bahuvrihi (saha+pañcāla)

• saha – with, together with
  indeclinable
• pañcāla – people of Pañcāla, the Pañcālas (a kingdom and its people)
  proper noun (masculine)

Note: Agrees with 'pāṇḍavāḥ'.

शार्दूलम् (śārdūlam) - tiger

(noun)

Accusative, masculine, singular of śārdūla

śārdūla - tiger, lion

Note: Object of comparison.

वृषभा (vṛṣabhā) - bulls

(noun)

Nominative, masculine, plural of vṛṣabha

vṛṣabha - bull, chief, eminent

From root 'vṛṣ' (to rain, to be strong).

Root: vṛṣ (class 1)

Note: Subject of comparison.

इव (iva) - like, as, as if

(indeclinable)