महाभारतः mahābhārataḥ - book-3, chapter-89, verse-8

वचनात्पुरुहूतस्य पार्थस्य च महात्मनः ।
आख्यास्ये ते प्रियं तात महत्पाण्डवनन्दन ॥८॥

8. vacanātpuruhūtasya pārthasya ca mahātmanaḥ ,
ākhyāsye te priyaṁ tāta mahatpāṇḍavanandana.

8. vacanāt puruhūtasya pārthasya ca mahātmanaḥ
ākhyāsye te priyam tāta mahat pāṇḍavanandana

8. By the command of Puruhūta (Indra) and the great-souled Pārtha (Arjuna), I shall relate to you, dear one (tāta), a great and pleasing matter, O joy of the Pāṇḍavas (pāṇḍavanandana).

Words meanings summery:

• वचनात् (vacanāt) - from the word, by the command

• पुरुहूतस्य (puruhūtasya) - of Indra (of Puruhūta)

• पार्थस्य (pārthasya) - of Arjuna (of Pārtha)

• च (ca) - and, also

• महात्मनः (mahātmanaḥ) - of the great-souled Pārtha (Arjuna) (of the great-souled, noble)

• आख्यास्ये (ākhyāsye) - I shall relate, I shall tell

• ते (te) - to you (to you, for you, your)

• प्रियम् (priyam) - a pleasing matter (pleasant thing, dear thing, beloved)

• तात (tāta) - dear one, father (term of endearment)

• महत् (mahat) - great (pleasing matter) (great, important)

• पाण्डवनन्दन (pāṇḍavanandana) - O Yudhishthira (addressed by an epithet) (O joy of the Pāṇḍavas)

Words meanings and morphology

वचनात् (vacanāt) - from the word, by the command

(noun)

Ablative, neuter, singular of vacana

vacana - word, speech, command, statement

Derived from the verb root √vac (to speak)

Root: vac (class 2)

पुरुहूतस्य (puruhūtasya) - of Indra (of Puruhūta)

(proper noun)

Genitive, masculine, singular of puruhūta

puruhūta - often invoked, much called upon (an epithet of Indra)

Compound of puru (many) and hūta (called, invoked)

Root: hū (class 3)

पार्थस्य (pārthasya) - of Arjuna (of Pārtha)

(proper noun)

Genitive, masculine, singular of pārtha

pārtha - son of Pṛthā (Kunti), Arjuna

Patronymic from Pṛthā

च (ca) - and, also

(indeclinable)

महात्मनः (mahātmanaḥ) - of the great-souled Pārtha (Arjuna) (of the great-souled, noble)

(adjective)

Genitive, masculine, singular of mahātman

mahātman - great-souled, noble, magnanimous, (referring to a) great person

Compound type : karmadhāraya (mahat+ātman)

• mahat – great, mighty, vast
  adjective
• ātman – self, soul, spirit, (ātman)
  noun (masculine)
  Root: an (class 2)

आख्यास्ये (ākhyāsye) - I shall relate, I shall tell

(verb)

1st person , singular, middle, future (lṛṭ) of khyā

Future tense, first person singular, Ātmanepada. With prefix ā-.

Prefix: ā

Root: khyā (class 2)

ते (te) - to you (to you, for you, your)

(pronoun)

Dative, singular of yusmad

yusmad - you, your, to you

Note: Also used for genitive.

प्रियम् (priyam) - a pleasing matter (pleasant thing, dear thing, beloved)

(noun)

Accusative, neuter, singular of priya

priya - dear, beloved, pleasing, agreeable

Root: prī

तात (tāta) - dear one, father (term of endearment)

(noun)

Vocative, masculine, singular of tāta

tāta - father, dear one, child (a term of endearment used respectfully or affectionately)

महत् (mahat) - great (pleasing matter) (great, important)

(adjective)

Accusative, neuter, singular of mahat

mahat - great, large, mighty, important

Root: mah

पाण्डवनन्दन (pāṇḍavanandana) - O Yudhishthira (addressed by an epithet) (O joy of the Pāṇḍavas)

(noun)

Vocative, masculine, singular of pāṇḍavanandana

pāṇḍavanandana - delight of the Pāṇḍavas, son of the Pāṇḍavas

Compound type : tatpuruṣa (pāṇḍava+nandana)

• pāṇḍava – descendant of Pāṇḍu, a Pāṇḍava
  noun (masculine)
  Patronymic from Pāṇḍu
• nandana – son, delight, causing joy
  noun (masculine)
  Derived from the verb root √nand (to rejoice)
  Root: nand (class 1)