महाभारतः mahābhārataḥ - book-1, chapter-126, verse-31

अयं पृथायास्तनयः कनीयान्पाण्डुनन्दनः ।
कौरवो भवता सार्धं द्वन्द्वयुद्धं करिष्यति ॥३१॥

31. ayaṁ pṛthāyāstanayaḥ kanīyānpāṇḍunandanaḥ ,
kauravo bhavatā sārdhaṁ dvandvayuddhaṁ kariṣyati.

31. ayaṃ pṛthāyāḥ tanayaḥ kanīyān pāṇḍunandanaḥ
kauravaḥ bhavatā sārdhaṃ dvandvayuddhaṃ kariṣyati

31. This son of Pṛthā, the younger son of Pāṇḍu, this descendant of Kuru, will engage in single combat with you.

Words meanings summery:

• अयं (ayaṁ) - this, he

• पृथायाः (pṛthāyāḥ) - of Pṛthā

• तनयः (tanayaḥ) - son

• कनीयान् (kanīyān) - younger, youngest

• पाण्डुनन्दनः (pāṇḍunandanaḥ) - son of Pāṇḍu

• कौरवः (kauravaḥ) - referring to Arjuna, as a descendant of Kuru (descendant of Kuru, a Kaurava)

• भवता (bhavatā) - by you, with you

• सार्धं (sārdhaṁ) - with, together with

• द्वन्द्वयुद्धं (dvandvayuddhaṁ) - single combat, duel

• करिष्यति (kariṣyati) - will do, will perform

Words meanings and morphology

अयं (ayaṁ) - this, he

(pronoun)

Nominative, masculine, singular of idam

idam - this

पृथायाः (pṛthāyāḥ) - of Pṛthā

(proper noun)

Genitive, feminine, singular of pṛthā

pṛthā - Pṛthā (Kuntī, mother of the Pāṇḍavas)

तनयः (tanayaḥ) - son

(noun)

Nominative, masculine, singular of tanaya

tanaya - son

कनीयान् (kanīyān) - younger, youngest

(adjective)

Nominative, masculine, singular of kanīyas

kanīyas - younger, youngest, very young

पाण्डुनन्दनः (pāṇḍunandanaḥ) - son of Pāṇḍu

(proper noun)

Nominative, masculine, singular of pāṇḍunandana

pāṇḍunandana - son of Pāṇḍu, delight of Pāṇḍu (referring to Arjuna)

Compound type : tatpuruṣa (pāṇḍu+nandana)

• pāṇḍu – Pāṇḍu (name of a king, father of the Pāṇḍavas)
  proper noun (masculine)
• nandana – son, delighter, gladdening
  noun (masculine)
  Root: nand (class 1)

कौरवः (kauravaḥ) - referring to Arjuna, as a descendant of Kuru (descendant of Kuru, a Kaurava)

(noun)

Nominative, masculine, singular of kaurava

kaurava - descendant of Kuru, belonging to the Kurus

Derived from Kuru (name of an ancient king)

भवता (bhavatā) - by you, with you

(pronoun)

Instrumental, masculine, singular of bhavat

bhavat - your honor, you

Honorific pronoun

सार्धं (sārdhaṁ) - with, together with

(indeclinable)

द्वन्द्वयुद्धं (dvandvayuddhaṁ) - single combat, duel

(noun)

Accusative, neuter, singular of dvandvayuddha

dvandvayuddha - single combat, duel

Compound type : tatpuruṣa (dvandva+yuddha)

• dvandva – pair, couple, dilemma
  noun (neuter)
• yuddha – fight, battle, war
  noun (neuter)
  Derived from root yudh (to fight)
  Root: yudh (class 4)

करिष्यति (kariṣyati) - will do, will perform

(verb)

3rd person , singular, active, future (lṛṭ) of kṛ

Root: kṛ (class 8)