महाभारतः mahābhārataḥ - book-4, chapter-39, verse-2

क्व नु स्विदर्जुनः पार्थः कौरव्यो वा युधिष्ठिरः ।
नकुलः सहदेवश्च भीमसेनश्च पाण्डवः ॥२॥

2. kva nu svidarjunaḥ pārthaḥ kauravyo vā yudhiṣṭhiraḥ ,
nakulaḥ sahadevaśca bhīmasenaśca pāṇḍavaḥ.

2. kva nu svit arjunaḥ pārthaḥ kauravyaḥ vā yudhiṣṭhiraḥ
| nakulaḥ sahadevaḥ ca bhīmasenaḥ ca pāṇḍavaḥ

2. Where, I wonder, are Arjuna, the son of Pṛthā, or Yudhiṣṭhira, the prince of the Kurus, along with Nakula, Sahadeva, and Bhīmasena, the sons of Pāṇḍu?

Words meanings summery:

• क्व (kva) - where?

• नु (nu) - indeed, then (expressing doubt or inquiry) (indeed, now, then, particle of interrogation or doubt)

• स्वित् (svit) - I wonder, pray (particle of interrogation or doubt)

• अर्जुनः (arjunaḥ) - Arjuna, the third Pāṇḍava brother (Arjuna)

• पार्थः (pārthaḥ) - son of Pṛthā (referring to Arjuna) (son of Pṛthā)

• कौरव्यः (kauravyaḥ) - descendant of Kuru (referring to Yudhiṣṭhira) (descendant of Kuru, Kuru prince)

• वा (vā) - or

• युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhiṣṭhira, the eldest Pāṇḍava brother (Yudhiṣṭhira)

• नकुलः (nakulaḥ) - Nakula, one of the Pāṇḍava brothers (Nakula)

• सहदेवः (sahadevaḥ) - Sahadeva, one of the Pāṇḍava brothers (Sahadeva)

• च (ca) - and

• भीमसेनः (bhīmasenaḥ) - Bhīmasena, the second Pāṇḍava brother (Bhīmasena)

• च (ca) - and

• पाण्डवः (pāṇḍavaḥ) - son of Pāṇḍu (referring to Bhīmasena and generally the Pāṇḍavas) (descendant of Pāṇḍu, son of Pāṇḍu)

Words meanings and morphology

क्व (kva) - where?

(indeclinable)

Note: Interrogative adverb

नु (nu) - indeed, then (expressing doubt or inquiry) (indeed, now, then, particle of interrogation or doubt)

(indeclinable)

Note: Interrogative particle

स्वित् (svit) - I wonder, pray (particle of interrogation or doubt)

(indeclinable)

Note: Emphasizes the question/doubt

अर्जुनः (arjunaḥ) - Arjuna, the third Pāṇḍava brother (Arjuna)

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna

पार्थः (pārthaḥ) - son of Pṛthā (referring to Arjuna) (son of Pṛthā)

(proper noun)

Nominative, masculine, singular of pārtha

pārtha - son of Pṛthā

Note: Appositive to Arjunaḥ

कौरव्यः (kauravyaḥ) - descendant of Kuru (referring to Yudhiṣṭhira) (descendant of Kuru, Kuru prince)

(proper noun)

Nominative, masculine, singular of kauravya

kauravya - descendant of Kuru, Kuru prince

Note: Appositive to Yudhiṣṭhiraḥ

वा (vā) - or

(indeclinable)

Note: Connects Arjuna and Yudhiṣṭhira in the question

युधिष्ठिरः (yudhiṣṭhiraḥ) - Yudhiṣṭhira, the eldest Pāṇḍava brother (Yudhiṣṭhira)

(proper noun)

Nominative, masculine, singular of yudhiṣṭhira

yudhiṣṭhira - firm in battle (Yudhiṣṭhira)

नकुलः (nakulaḥ) - Nakula, one of the Pāṇḍava brothers (Nakula)

(proper noun)

Nominative, masculine, singular of nakula

nakula - Nakula

सहदेवः (sahadevaḥ) - Sahadeva, one of the Pāṇḍava brothers (Sahadeva)

(proper noun)

Nominative, masculine, singular of sahadeva

sahadeva - Sahadeva

च (ca) - and

(indeclinable)

Note: Connects Nakula and Sahadeva

भीमसेनः (bhīmasenaḥ) - Bhīmasena, the second Pāṇḍava brother (Bhīmasena)

(proper noun)

Nominative, masculine, singular of bhīmasena

bhīmasena - Bhīmasena

च (ca) - and

(indeclinable)

Note: Connects Sahadeva and Bhīmasena

पाण्डवः (pāṇḍavaḥ) - son of Pāṇḍu (referring to Bhīmasena and generally the Pāṇḍavas) (descendant of Pāṇḍu, son of Pāṇḍu)

(proper noun)

Nominative, masculine, singular of pāṇḍava

pāṇḍava - son of Pāṇḍu

Note: Appositive to Bhīmasenaḥ