महाभारतः mahābhārataḥ - book-8, chapter-65, verse-13

परस्परं तौ विशिखैः सुतीक्ष्णैस्ततक्षतुः सूतपुत्रोऽर्जुनश्च ।
परस्परस्यान्तरेप्सू विमर्दे सुभीममभ्याययतुः प्रहृष्टौ ॥१३॥

13. parasparaṁ tau viśikhaiḥ sutīkṣṇai;statakṣatuḥ sūtaputro'rjunaśca ,
parasparasyāntarepsū vimarde; subhīmamabhyāyayatuḥ prahṛṣṭau.

13. parasparam tau viśikhaiḥ sutīkṣṇaiḥ
tatakṣatuḥ sūtaputraḥ arjunaḥ
ca parasparasya antarepsū vimarde
subhīmam abhyāyayatuḥ prahṛṣṭau

13. tau sūtaputraḥ ca arjunaḥ parasparam sutīkṣṇaiḥ viśikhaiḥ tatakṣatuḥvimarde parasparasya antarepsū,
prahṛṣṭau (sūtaputraḥ ca arjunaḥ) su-bhīmam abhyāyayatuḥ।

13. Karna, the charioteer's son, and Arjuna, struck each other with very sharp arrows. Seeking each other's vulnerable spots in the fierce combat, the two greatly delighted warriors advanced dreadfully.

Words meanings summery:

• परस्परम् (parasparam) - mutually, each other

• तौ (tau) - Karna and Arjuna (those two)

• विशिखैः (viśikhaiḥ) - with arrows

• सुतीक्ष्णैः (sutīkṣṇaiḥ) - with very sharp (arrows)

• ततक्षतुः (tatakṣatuḥ) - they struck, they wounded, they carved

• सूतपुत्रः (sūtaputraḥ) - Karna (the son of the charioteer (Karna))

• अर्जुनः (arjunaḥ) - Arjuna

• च (ca) - and

• परस्परस्य (parasparasya) - of each other

• अन्तरेप्सू (antarepsū) - seeking vulnerable spots/weaknesses of each other

• विमर्दे (vimarde) - in the fierce combat/struggle

• सुभीमम् (subhīmam) - very terrible, greatly dreadful

• अभ्याययतुः (abhyāyayatuḥ) - they attacked, they came towards

• प्रहृष्टौ (prahṛṣṭau) - greatly delighted, exceedingly pleased

Words meanings and morphology

परस्परम् (parasparam) - mutually, each other

(indeclinable)

Note: Functions as an adverb here.

तौ (tau) - Karna and Arjuna (those two)

(pronoun)

Nominative, masculine, dual of tad

tad - that, he, she, it

Note: Refers to Karna and Arjuna.

विशिखैः (viśikhaiḥ) - with arrows

(noun)

Instrumental, masculine, plural of viśikha

viśikha - arrow (without a feathered tail or with a blunt head)

From vi-śikha ('without crest/tuft')

Compound type : bahuvrīhi (vi+śikha)

• vi – without, apart, against
  indeclinable
• śikha – crest, tuft, flame
  noun (masculine)

Note: Means of action for 'tatakṣatuḥ'.

सुतीक्ष्णैः (sutīkṣṇaiḥ) - with very sharp (arrows)

(adjective)

Instrumental, masculine, plural of sutīkṣṇa

sutīkṣṇa - very sharp, exceedingly keen

Compound 'su' (good, very) + 'tīkṣṇa' (sharp)

Compound type : tatpuruṣa (su+tīkṣṇa)

• su – good, well, very
  indeclinable
• tīkṣṇa – sharp, keen, pungent
  adjective (masculine)

Note: Agrees with 'viśikhaiḥ'.

ततक्षतुः (tatakṣatuḥ) - they struck, they wounded, they carved

(verb)

3rd person , dual, active, perfect (liṭ) of takṣ

Perfect Active

Root takṣ, 3rd person dual

Root: takṣ (class 5)

Note: Subject is 'sūtaputraḥ' and 'arjunaḥ'.

सूतपुत्रः (sūtaputraḥ) - Karna (the son of the charioteer (Karna))

(proper noun)

Nominative, masculine, singular of sūtaputra

sūtaputra - son of a charioteer (epithet for Karna)

Compound 'sūta' (charioteer) + 'putra' (son)

Compound type : tatpuruṣa (sūta+putra)

• sūta – charioteer, bard
  noun (masculine)
• putra – son
  noun (masculine)

Note: Refers to Karna. Part of the dual subject with Arjuna.

अर्जुनः (arjunaḥ) - Arjuna

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna (name of a Pandava prince)

Note: Part of the dual subject with Karna.

च (ca) - and

(indeclinable)

Note: Joins 'sūtaputraḥ' and 'arjunaḥ'.

परस्परस्य (parasparasya) - of each other

(pronoun)

Genitive, masculine, singular of paraspara

paraspara - mutual, reciprocal, each other

Note: Possessive for 'antarepsū'.

अन्तरेप्सू (antarepsū) - seeking vulnerable spots/weaknesses of each other

(adjective)

Nominative, masculine, dual of antarepsu

antarepsu - desirous of (reaching) the interior/weak point, seeking vulnerable spots

Desiderative derivative noun/adjective

Compound 'antara' (interior, vulnerable spot) + 'īpsu' (desirous, seeking) from root 'āp' (to obtain) in desiderative form. Agrees with the dual subjects.

Compound type : tatpuruṣa (antara+īpsu)

• antara – interior, vulnerable point, weak spot
  noun (neuter)
• īpsu – desirous of obtaining, seeking
  adjective (masculine)
  Desiderative Suffix -u
  From desiderative stem of 'āp'
  Root: āp (class 5)

Note: Agrees with 'tau' (Karna and Arjuna).

विमर्दे (vimarde) - in the fierce combat/struggle

(noun)

Locative, masculine, singular of vimarda

vimarda - struggle, combat, conflict, crushing

Prefix: vi

Root: mṛd

Note: Locative of time/place.

सुभीमम् (subhīmam) - very terrible, greatly dreadful

(adjective)

Accusative, neuter, singular of subhīma

subhīma - very dreadful, exceedingly terrible, formidable

Compound 'su' (very) + 'bhīma' (terrible)

Compound type : tatpuruṣa (su+bhīma)

• su – good, well, very
  indeclinable
• bhīma – terrible, dreadful, formidable
  adjective (masculine)

Note: Functions adverbially, modifying the action of 'abhyāyayatuḥ'.

अभ्याययतुः (abhyāyayatuḥ) - they attacked, they came towards

(verb)

3rd person , dual, active, perfect (liṭ) of abhi-ā-yā

Perfect Active

Root yā with upasargas abhi and ā, 3rd person dual

Prefixes: abhi+ā

Root: yā (class 2)

Note: Subject is 'tau'.

प्रहृष्टौ (prahṛṣṭau) - greatly delighted, exceedingly pleased

(adjective)

Nominative, masculine, dual of prahṛṣṭa

prahṛṣṭa - greatly delighted, exceedingly pleased, joyous

Past Passive Participle

From root 'hṛṣ' (to be thrilled) with upasarga 'pra'

Prefix: pra

Root: hṛṣ (class 4)

Note: Agrees with 'tau' (Karna and Arjuna).