महाभारतः mahābhārataḥ - book-3, chapter-43, verse-20

ततोऽर्जुनो हृष्टमना गङ्गायामाप्लुतः शुचिः ।
जजाप जप्यं कौन्तेयो विधिवत्कुरुनन्दनः ॥२०॥

20. tato'rjuno hṛṣṭamanā gaṅgāyāmāplutaḥ śuciḥ ,
jajāpa japyaṁ kaunteyo vidhivatkurunandanaḥ.

20. tataḥ arjunaḥ hṛṣṭamanā gaṅgāyām āplutaḥ śuciḥ
| jajāpa japyam kaunteyaḥ vidhivat kurunandanaḥ

20. Then Arjuna, with a joyful mind, bathed in the Gaṅgā and became pure. The son of Kuntī, the delight of the Kurus, then recited the sacred verses (japya) in accordance with the prescribed rules.

Words meanings summery:

• ततः (tataḥ) - then, thereafter

• अर्जुनः (arjunaḥ) - Arjuna

• हृष्टमना (hṛṣṭamanā) - joyful-minded, cheerful

• गङ्गायाम् (gaṅgāyām) - in the Gaṅgā (river)

• आप्लुतः (āplutaḥ) - bathed, immersed

• शुचिः (śuciḥ) - pure, clean, holy

• जजाप (jajāpa) - he recited, he muttered

• जप्यम् (japyam) - sacred verses or mantras for recitation (that which is to be recited, a sacred mantra)

• कौन्तेयः (kaunteyaḥ) - Refers to Arjuna (son of Kuntī, Arjuna)

• विधिवत् (vidhivat) - according to rule, in due form, properly

• कुरुनन्दनः (kurunandanaḥ) - Refers to Arjuna (delight of the Kurus)

Words meanings and morphology

ततः (tataḥ) - then, thereafter

(indeclinable)

अर्जुनः (arjunaḥ) - Arjuna

(proper noun)

Nominative, masculine, singular of arjuna

arjuna - Arjuna (a name), white, clear

हृष्टमना (hṛṣṭamanā) - joyful-minded, cheerful

(adjective)

Nominative, masculine, singular of hṛṣṭamanas

hṛṣṭamanas - joyful-minded, cheerful

Bahuvrīhi compound

Compound type : bahuvrīhi (hṛṣṭa+manas)

• hṛṣṭa – rejoiced, thrilled, pleased
  adjective (masculine)
  Past Passive Participle
  From root hṛṣ (to be thrilled, excited)
  Root: hṛṣ (class 4)
• manas – mind, intellect, thought
  noun (neuter)

Note: Refers to Arjuna

गङ्गायाम् (gaṅgāyām) - in the Gaṅgā (river)

(proper noun)

Locative, feminine, singular of gaṅgā

gaṅgā - the river Ganges

आप्लुतः (āplutaḥ) - bathed, immersed

(adjective)

Nominative, masculine, singular of āpluta

āpluta - bathed, immersed, wet

Past Passive Participle

From root plu (to float, to swim, to bathe) with upasarga ā

Prefix: ā

Root: plu (class 1)

Note: Refers to Arjuna

शुचिः (śuciḥ) - pure, clean, holy

(adjective)

Nominative, masculine, singular of śuci

śuci - pure, clean, bright, holy

Note: Refers to Arjuna

जजाप (jajāpa) - he recited, he muttered

(verb)

3rd person , singular, active, past perfect (Lit) of jap

Perfect Active

Reduplicated Perfect form of root jap

Root: jap (class 1)

जप्यम् (japyam) - sacred verses or mantras for recitation (that which is to be recited, a sacred mantra)

(noun)

Accusative, neuter, singular of japya

japya - to be muttered, fit to be whispered, a sacred text or mantra

Gerundive (Kṛtya)

From root jap (to mutter, recite) with suffix -ya

Root: jap (class 1)

Note: Object of 'jajāpa'

कौन्तेयः (kaunteyaḥ) - Refers to Arjuna (son of Kuntī, Arjuna)

(proper noun)

Nominative, masculine, singular of kaunteya

kaunteya - son of Kuntī (e.g., Arjuna, Bhīma, Yudhiṣṭhira)

Taddhita derivation from Kuntī

Note: Another epithet for Arjuna

विधिवत् (vidhivat) - according to rule, in due form, properly

(indeclinable)

Adverb formed with -vat suffix

कुरुनन्दनः (kurunandanaḥ) - Refers to Arjuna (delight of the Kurus)

(proper noun)

Nominative, masculine, singular of kurunandana

kurunandana - delight of the Kurus (an epithet for Arjuna or other Kuru heroes)

Tatpuruṣa compound

Compound type : tatpuruṣa (kuru+nandana)

• kuru – Kuru (name of an ancient king and his descendants)
  proper noun (masculine)
• nandana – son, delight, gladdening
  noun (masculine)
  From root nand (to rejoice)
  Root: nand (class 1)

Note: Another epithet for Arjuna