महाभारतः mahābhārataḥ - book-12, chapter-328, verse-8

श्रीभगवानुवाच ।
ऋग्वेदे सयजुर्वेदे तथैवाथर्वसामसु ।
पुराणे सोपनिषदे तथैव ज्योतिषेऽर्जुन ॥८॥

8. śrībhagavānuvāca ,
ṛgvede sayajurvede tathaivātharvasāmasu ,
purāṇe sopaniṣade tathaiva jyotiṣe'rjuna.

8. śrībhagavān uvāca ṛgvede sayajurvede tathā eva
atharvasāmasu purāṇe sopaniṣade tathā eva jyotiṣe arjuna

8. śrībhagavān uvāca arjuna ṛgvede sayajurvede tathā
eva atharvasāmasu purāṇe sopaniṣade tathā eva jyotiṣe

8. The Blessed Lord said: "O Arjuna, in the Ṛgveda, along with the Yajurveda, and similarly in the Atharvaveda and Sāmaveda; in the Purāṇas, together with the Upaniṣads; and likewise in Jyotiṣa..."

Words meanings summery:

• श्रीभगवान् (śrībhagavān) - the Blessed Lord, the Glorious God

• उवाच (uvāca) - said, spoke

• ऋग्वेदे (ṛgvede) - in the Ṛgveda

• सयजुर्वेदे (sayajurvede) - in the Yajurveda, along with the Yajurveda

• तथा (tathā) - similarly, likewise (so, thus, in that manner, similarly)

• एव (eva) - similarly, and also (indeed, only, certainly, just, exactly)

• अथर्वसामसु (atharvasāmasu) - in the Atharvaveda and Sāmaveda

• पुराणे (purāṇe) - in the Purāṇas (referring to the genre of Hindu religious texts) (in the Purāṇa, in the ancient text)

• सोपनिषदे (sopaniṣade) - with the Upaniṣads, accompanied by the Upaniṣads

• तथा (tathā) - similarly, likewise (so, thus, in that manner, similarly)

• एव (eva) - similarly, and also (indeed, only, certainly, just, exactly)

• ज्योतिषे (jyotiṣe) - in Jyotiṣa (the traditional Indian system of astronomy and astrology) (in the science of light, in astronomy/astrology)

• अर्जुन (arjuna) - O Arjuna (name of Pāṇḍava prince) (O Arjuna, white, clear)

Words meanings and morphology

श्रीभगवान् (śrībhagavān) - the Blessed Lord, the Glorious God

(noun)

Nominative, masculine, singular of śrībhagavat

śrībhagavat - the Blessed Lord, the Glorious One, Lord Viṣṇu/Kṛṣṇa

Compound type : bahuvrīhi (śrī+bhagavat)

• śrī – splendor, glory, prosperity, wealth, divine grace, beauty
  noun (feminine)
• bhagavat – fortunate, glorious, divine, venerable; the Lord, God
  adjective (masculine)

Note: Vocative used as title, hence treated as nominative.

उवाच (uvāca) - said, spoke

(verb)

3rd person , singular, active, perfect (lit) of vac

Perfect tense form of √vac

Root: vac (class 2)

ऋग्वेदे (ṛgvede) - in the Ṛgveda

(proper noun)

Locative, masculine, singular of ṛgveda

ṛgveda - the Ṛgveda (one of the four Vedas)

Compound type : tatpuruṣa (ṛc+veda)

• ṛc – hymn, verse, sacred utterance
  noun (feminine)
• veda – knowledge, sacred knowledge, Veda
  noun (masculine)
  Root: vid (class 2)

सयजुर्वेदे (sayajurvede) - in the Yajurveda, along with the Yajurveda

(proper noun)

Locative, masculine, singular of sayajurveda

sayajurveda - along with the Yajurveda

Compound formed with 'sa-' prefix meaning 'with' or 'together with'.

Compound type : bahuvrīhi (sa+yajurveda)

• sa – with, together with
  indeclinable
• yajurveda – the Yajurveda (one of the four Vedas)
  proper noun (masculine)

तथा (tathā) - similarly, likewise (so, thus, in that manner, similarly)

(indeclinable)

एव (eva) - similarly, and also (indeed, only, certainly, just, exactly)

(indeclinable)

Note: Often used for emphasis or continuation.

अथर्वसामसु (atharvasāmasu) - in the Atharvaveda and Sāmaveda

(proper noun)

Locative, neuter, plural of atharvasāman

atharvasāman - the Atharvaveda and Sāmaveda (collective reference)

Dvanda compound of Atharvaveda and Sāmaveda.

Compound type : dvandva (atharvaveda+sāmaveda)

• atharvaveda – the Atharvaveda (one of the four Vedas)
  proper noun (masculine)
• sāmaveda – the Sāmaveda (one of the four Vedas)
  proper noun (masculine)

Note: Though Veda is masculine, dvandva of two Vedas in locative plural often takes neuter ending -su.

पुराणे (purāṇe) - in the Purāṇas (referring to the genre of Hindu religious texts) (in the Purāṇa, in the ancient text)

(noun)

Locative, neuter, singular of purāṇa

purāṇa - ancient, old; (as noun) an ancient tale, traditional history, Purāṇa

सोपनिषदे (sopaniṣade) - with the Upaniṣads, accompanied by the Upaniṣads

(proper noun)

Locative, feminine, singular of sopaniṣad

sopaniṣad - along with the Upaniṣads

Compound formed with 'sa-' prefix meaning 'with' or 'together with'.

Compound type : bahuvrīhi (sa+upaniṣad)

• sa – with, together with
  indeclinable
• upaniṣad – Upaniṣad (a class of philosophical texts in Hinduism)
  proper noun (feminine)
  Prefixes: upa+ni

Note: The base upaniṣad is feminine.

तथा (tathā) - similarly, likewise (so, thus, in that manner, similarly)

(indeclinable)

एव (eva) - similarly, and also (indeed, only, certainly, just, exactly)

(indeclinable)

Note: Often used for emphasis or continuation.

ज्योतिषे (jyotiṣe) - in Jyotiṣa (the traditional Indian system of astronomy and astrology) (in the science of light, in astronomy/astrology)

(noun)

Locative, neuter, singular of jyotiṣa

jyotiṣa - science of light; astronomy, astrology

अर्जुन (arjuna) - O Arjuna (name of Pāṇḍava prince) (O Arjuna, white, clear)

(proper noun)

Vocative, masculine, singular of arjuna

arjuna - white, clear; name of a hero (Pāṇḍava prince)