महाभारतः mahābhārataḥ - book-8, chapter-12, verse-13

विस्मापयन्प्रेक्षणीयं द्विषातां भयवर्धनम् ।
महारथसहस्रस्य समं कर्मार्जुनोऽकरोत् ॥१३॥

13. vismāpayanprekṣaṇīyaṁ dviṣātāṁ bhayavardhanam ,
mahārathasahasrasya samaṁ karmārjuno'karot.

13. vismāpayan prekṣaṇīyam dviṣatām bhayavardhanam
mahārathasahasrasya samam karma arjunaḥ akarot

13. arjunaḥ vismāpayan prekṣaṇīyam dviṣatām
bhayavardhanam mahārathasahasrasya samam karma akarot

13. Arjuna performed a deed (karma) that was astonishing to behold and increased the fear of the enemies, an action equal to the combined efforts of a thousand great warriors (mahārathas).

Words meanings summery:

• विस्मापयन् (vismāpayan) - causing astonishment, astonishing

• प्रेक्षणीयम् (prekṣaṇīyam) - worth seeing, a spectacle, an object of sight

• द्विषताम् (dviṣatām) - of the enemies, of those hating

• भयवर्धनम् (bhayavardhanam) - increasing fear, fear-enhancing

• महारथसहस्रस्य (mahārathasahasrasya) - of a thousand great warriors

• समम् (samam) - equal, similar, equivalent

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

• अर्जुनः (arjunaḥ) - Arjuna

• अकरोत् (akarot) - he did, he performed

Words meanings and morphology

विस्मापयन् (vismāpayan) - causing astonishment, astonishing

(adjective)

Nominative, masculine, singular of vismāpayat

vismāpayat - causing astonishment, surprising

present active participle (causative)

present active participle of causative of vi- + √smi (to wonder, be astonished)

Prefix: vi

Root: smi (class 1)

Note: Qualifies Arjuna (implicit subject).

प्रेक्षणीयम् (prekṣaṇīyam) - worth seeing, a spectacle, an object of sight

(adjective)

Accusative, neuter, singular of prekṣaṇīya

prekṣaṇīya - to be seen, visible, worth seeing, a spectacle

gerundive/future passive participle

gerundive of pra- + √īkṣ (to see)

Prefix: pra

Root: īkṣ (class 1)

Note: Qualifies 'karma' (deed).

द्विषताम् (dviṣatām) - of the enemies, of those hating

(noun)

Genitive, masculine, plural of dviṣat

dviṣat - hating, enemy

present active participle

present active participle of √dviṣ

Root: dviṣ (class 2)

Note: Relates to 'bhaya' (fear).

भयवर्धनम् (bhayavardhanam) - increasing fear, fear-enhancing

(adjective)

Accusative, neuter, singular of bhayavardhana

bhayavardhana - increasing fear

Compound type : tatpuruṣa (bhaya+vardhana)

• bhaya – fear, dread
  noun (neuter)
• vardhana – increasing, promoting, causing to grow
  adjective (neuter)
  agent noun/action noun
  from √vṛdh (to grow, increase) with -ana suffix
  Root: vṛdh (class 1)

Note: Qualifies 'karma' (deed).

महारथसहस्रस्य (mahārathasahasrasya) - of a thousand great warriors

(noun)

Genitive, neuter, singular of mahārathasahasra

mahārathasahasra - a thousand great warriors

Compound type : tatpuruṣa (mahāratha+sahasra)

• mahāratha – great warrior, general, great chariot
  noun (masculine)
• sahasra – thousand
  noun (neuter)

समम् (samam) - equal, similar, equivalent

(adjective)

Accusative, neuter, singular of sama

sama - equal, same, like, similar

Note: Qualifies 'karma' (deed).

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

(noun)

Accusative, neuter, singular of karman

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

from √kṛ (to do) + -man suffix

Root: kṛ (class 8)

Note: Object of 'akarot'.

अर्जुनः (arjunaḥ) - Arjuna

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna (name of a Pandava prince)

Note: Subject of 'akarot'.

अकरोत् (akarot) - he did, he performed

(verb)

3rd person , singular, active, past aorist (luṅ) of √kṛ

aorist

aorist 3rd person singular of √kṛ (to do, make)

Root: kṛ (class 8)