महाभारतः mahābhārataḥ - book-2, chapter-21, verse-12

उभौ परमसंहृष्टौ बलेनातिबलावुभौ ।
अन्योन्यस्यान्तरं प्रेप्सू परस्परजयैषिणौ ॥१२॥

12. ubhau paramasaṁhṛṣṭau balenātibalāvubhau ,
anyonyasyāntaraṁ prepsū parasparajayaiṣiṇau.

12. ubhau paramasaṃhṛṣṭau balena atibalau ubhau
anyonyasya antaram prepsū parasparajayaiṣiṇau

12. Both were extremely delighted and both were exceedingly powerful due to their strength. They were both seeking an opening in each other, and both desired mutual victory.

Words meanings summery:

• उभौ (ubhau) - both (both (masculine/neuter dual))

• परमसंहृष्टौ (paramasaṁhṛṣṭau) - two who were extremely delighted (two who are extremely delighted, two who are greatly pleased)

• बलेन (balena) - by their strength (by strength, with power)

• अतिबलौ (atibalau) - both exceedingly powerful (two who are exceedingly powerful, very strong (dual))

• उभौ (ubhau) - both (both (masculine/neuter dual))

• अन्योन्यस्य (anyonyasya) - of each other (of each other, of one another's)

• अन्तरम् (antaram) - an opening (a weak point) (interval, interior, opening, weakness, difference)

• प्रेप्सू (prepsū) - two who were seeking (an opening) (two who are desirous of obtaining, two who are seeking)

• परस्परजयैषिणौ (parasparajayaiṣiṇau) - two who desired mutual victory (two who desire mutual victory)

Words meanings and morphology

उभौ (ubhau) - both (both (masculine/neuter dual))

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

परमसंहृष्टौ (paramasaṁhṛṣṭau) - two who were extremely delighted (two who are extremely delighted, two who are greatly pleased)

(adjective)

Nominative, masculine, dual of paramasaṃhṛṣṭa

paramasaṁhṛṣṭa - extremely delighted, very pleased

Compound type : karmadhāraya (parama+saṃhṛṣṭa)

• parama – highest, supreme, excellent, extreme
  adjective (masculine)
• saṃhṛṣṭa – delighted, pleased, joyful
  adjective (masculine)
  Past Passive Participle
  Past passive participle of root hṛṣ (to be excited) with prefix sam.
  Prefix: sam
  Root: hṛṣ (class 4)

बलेन (balena) - by their strength (by strength, with power)

(noun)

Instrumental, neuter, singular of bala

bala - strength, power, might, force

अतिबलौ (atibalau) - both exceedingly powerful (two who are exceedingly powerful, very strong (dual))

(adjective)

Nominative, masculine, dual of atibala

atibala - exceedingly powerful, very strong

Compound type : prādi-samāsa (ati+bala)

• ati – over, beyond, exceedingly
  indeclinable
• bala – strong, powerful
  adjective (masculine)

उभौ (ubhau) - both (both (masculine/neuter dual))

(pronoun)

Nominative, masculine, dual of ubha

ubha - both

अन्योन्यस्य (anyonyasya) - of each other (of each other, of one another's)

(pronoun)

Genitive, masculine, singular of anyonya

anyonya - mutual, each other, one another

अन्तरम् (antaram) - an opening (a weak point) (interval, interior, opening, weakness, difference)

(noun)

Accusative, neuter, singular of antara

antara - interior, interval, space between, opportunity, weakness, difference

प्रेप्सू (prepsū) - two who were seeking (an opening) (two who are desirous of obtaining, two who are seeking)

(adjective)

Nominative, masculine, dual of prepsū

prepsu - desirous of obtaining, seeking, wishing to get

Desiderative particple

Derived from the desiderative stem of root āp (to obtain) with prefix pra.

Prefix: pra

Root: āp (class 5)

परस्परजयैषिणौ (parasparajayaiṣiṇau) - two who desired mutual victory (two who desire mutual victory)

(adjective)

Nominative, masculine, dual of parasparajayaiṣin

parasparajayaiṣin - desirous of mutual victory

Compound type : tatpuruṣa (paraspara+jaya+eṣin)

• paraspara – mutual, reciprocal, each other
  indeclinable
• jaya – victory, triumph, conquest
  noun (masculine)
  Root: ji (class 1)
• eṣin – desiring, wishing, seeking
  adjective (masculine)
  agent noun/adjective
  Derived from root iṣ (to desire, to seek) with suffix -in.
  Root: iṣ (class 4)