महाभारतः mahābhārataḥ - book-6, chapter-48, verse-44

उभौ परमसंहृष्टावुभौ युद्धाभिनन्दिनौ ।
निर्विशेषमयुध्येतां कृतप्रतिकृतैषिणौ ॥४४॥

44. ubhau paramasaṁhṛṣṭāvubhau yuddhābhinandinau ,
nirviśeṣamayudhyetāṁ kṛtapratikṛtaiṣiṇau.

44. ubhau paramasaṃhṛṣṭau ubhau yuddhābhinandinau
nirviśeṣam ayudhyetām kṛtapratikṛtaiṣiṇau

44. ubhau paramasaṃhṛṣṭau ubhau yuddhābhinandinau
kṛtapratikṛtaiṣiṇau nirviśeṣam ayudhyetām

44. Both were extremely delighted and both rejoiced in the battle. They fought without any distinction, each seeking to retaliate against the other's actions.

Words meanings summery:

• उभौ (ubhau) - both (Arjuna and Bhīṣma) (both (masculine dual))

• परमसंहृष्टौ (paramasaṁhṛṣṭau) - extremely delighted, supremely joyful

• उभौ (ubhau) - both (Arjuna and Bhīṣma) (both (masculine dual))

• युद्धाभिनन्दिनौ (yuddhābhinandinau) - rejoicing in battle, delighting in battle

• निर्विशेषम् (nirviśeṣam) - without distinction, equally, without difference

• अयुध्येताम् (ayudhyetām) - they both fought

• कृतप्रतिकृतैषिणौ (kṛtapratikṛtaiṣiṇau) - seeking retaliation/repayment for deeds

Words meanings and morphology

उभौ (ubhau) - both (Arjuna and Bhīṣma) (both (masculine dual))

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

परमसंहृष्टौ (paramasaṁhṛṣṭau) - extremely delighted, supremely joyful

(adjective)

Nominative, masculine, dual of paramasaṃhṛṣṭa

paramasaṁhṛṣṭa - extremely delighted, supremely joyful

Compound type : Karmadhāraya (parama+saṃhṛṣṭa)

• parama – highest, supreme, excellent, utmost
  adjective (masculine)
• saṃhṛṣṭa – delighted, joyful, thrilled
  adjective (masculine)
  Past Passive Participle
  Past Passive Participle of root √hṛṣ with prefix saṃ-.
  Prefix: saṃ
  Root: √hṛṣ (class 4)

उभौ (ubhau) - both (Arjuna and Bhīṣma) (both (masculine dual))

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

युद्धाभिनन्दिनौ (yuddhābhinandinau) - rejoicing in battle, delighting in battle

(adjective)

Nominative, masculine, dual of yuddhābhinandin

yuddhābhinandin - rejoicing in battle, delighting in war

Compound type : Saptamī Tatpuruṣa (yuddha+abhinandin)

• yuddha – battle, fight, war
  noun (neuter)
  Past Passive Participle
  Past Passive Participle of root √yudh, used as a noun.
  Root: √yudh (class 4)
• abhinandin – delighting in, praising, rejoicing in
  adjective (masculine)
  Agent noun
  Derived from root √nand with prefix abhi-, with the suffix -in.
  Prefix: abhi
  Root: √nand (class 1)

निर्विशेषम् (nirviśeṣam) - without distinction, equally, without difference

(indeclinable)

Compound type : Avyayībhāva / Pradi Tatpuruṣa (nir+viśeṣa)

• nir – without, devoid of
  indeclinable
• viśeṣa – distinction, difference, peculiarity
  noun (masculine)

Note: Functions as an adverb.

अयुध्येताम् (ayudhyetām) - they both fought

(verb)

3rd person , dual, middle, past imperfect (Laṅ) of √yudh

Imperfect Middle

Imperfect tense, middle voice (ātmanepada) 3rd person dual.

Root: √yudh (class 4)

कृतप्रतिकृतैषिणौ (kṛtapratikṛtaiṣiṇau) - seeking retaliation/repayment for deeds

(adjective)

Nominative, masculine, dual of kṛtapratikṛtaiṣin

kṛtapratikṛtaiṣin - desiring action and counter-action; seeking retaliation or repayment of deeds

Compound type : Tatpuruṣa (with an internal Dvandva) (kṛtapratikṛta+eṣin)

• kṛtapratikṛta – action and counter-action, deed and repayment
  noun (neuter)
• eṣin – seeking, desiring, wishing for
  adjective (masculine)
  Agent noun
  Derived from root √iṣ (to wish, desire) with the suffix -in.
  Root: √iṣ (class 6)