महाभारतः mahābhārataḥ - book-5, chapter-119, verse-10

प्रतर्दनो वसुमनाः शिबिरौशीनरोऽष्टकः ।
वाजपेयेन यज्ञेन तर्पयन्ति सुरेश्वरम् ॥१०॥

10. pratardano vasumanāḥ śibirauśīnaro'ṣṭakaḥ ,
vājapeyena yajñena tarpayanti sureśvaram.

10. pratardanaḥ vasumanāḥ śibiḥ auśīnaraḥ aṣṭakaḥ
vājapeyena yajñena tarpayanti sureśvaram

10. pratardanaḥ vasumanāḥ śibiḥ auśīnaraḥ aṣṭakaḥ
vājapeyena yajñena sureśvaram tarpayanti

10. Pratardana, Vasumanas, Śibi Auśīnara, and Aṣṭaka satisfy the lord of the gods by means of the Vājapeya Vedic ritual (yajña).

Words meanings summery:

• प्रतर्दनः (pratardanaḥ) - Pratardana

• वसुमनाः (vasumanāḥ) - Vasumanas

• शिबिः (śibiḥ) - Śibi

• औशीनरः (auśīnaraḥ) - Śibi, the descendant of Uśīnara (descendant of Uśīnara)

• अष्टकः (aṣṭakaḥ) - Aṣṭaka

• वाजपेयेन (vājapeyena) - by means of the Vājapeya ritual (yajña) (by the Vājapeya)

• यज्ञेन (yajñena) - by means of the Vājapeya Vedic ritual (yajña) (by the Vedic ritual)

• तर्पयन्ति (tarpayanti) - they satisfy

• सुरेश्वरम् (sureśvaram) - the lord of gods

Words meanings and morphology

प्रतर्दनः (pratardanaḥ) - Pratardana

(proper noun)

Nominative, masculine, singular of pratardana

pratardana - a proper name, son of Divodāsa

वसुमनाः (vasumanāḥ) - Vasumanas

(proper noun)

Nominative, masculine, singular of vasumanas

vasumanas - a proper name; one with good mind or wealth-minded

शिबिः (śibiḥ) - Śibi

(proper noun)

Nominative, masculine, singular of śibi

śibi - a proper name of a king

औशीनरः (auśīnaraḥ) - Śibi, the descendant of Uśīnara (descendant of Uśīnara)

(proper noun)

Nominative, masculine, singular of auśīnara

auśīnara - descendant of Uśīnara

Taddhita derivation from Uśīnara

अष्टकः (aṣṭakaḥ) - Aṣṭaka

(proper noun)

Nominative, masculine, singular of aṣṭaka

aṣṭaka - a proper name

वाजपेयेन (vājapeyena) - by means of the Vājapeya ritual (yajña) (by the Vājapeya)

(noun)

Instrumental, masculine, singular of vājapeya

vājapeya - a specific type of important Vedic ritual

यज्ञेन (yajñena) - by means of the Vājapeya Vedic ritual (yajña) (by the Vedic ritual)

(noun)

Instrumental, masculine, singular of yajña

yajña - a Vedic ritual, sacrifice, worship

Root: yaj (class 1)

तर्पयन्ति (tarpayanti) - they satisfy

(verb)

3rd person , plural, active, present (lat) of tarp

present active

Parasmaipada, 3rd conjugation, present stem tarpaya-

Root: tṛp (class 10)

सुरेश्वरम् (sureśvaram) - the lord of gods

(noun)

Accusative, masculine, singular of sureśvara

sureśvara - lord of the gods, Indra

Compound type : tatpuruṣa (sura+īśvara)

• sura – god, deity
  noun (masculine)
• īśvara – lord, master, powerful
  noun (masculine)
  Root: īś (class 2)