महाभारतः mahābhārataḥ - book-12, chapter-227, verse-1

व्यास उवाच ।
त्रयीविद्यामवेक्षेत वेदेषूक्तामथाङ्गतः ।
ऋक्सामवर्णाक्षरतो यजुषोऽथर्वणस्तथा ॥१॥

1. vyāsa uvāca ,
trayīvidyāmavekṣeta vedeṣūktāmathāṅgataḥ ,
ṛksāmavarṇākṣarato yajuṣo'tharvaṇastathā.

1. vyāsaḥ uvāca trayīvidyām avekṣeta vedeṣu uktām atha
aṅgataḥ ṛksāmavarṇākṣarataḥ yajuṣaḥ atharvaṇaḥ tathā

1. vyāsaḥ uvāca trayīvidyām avekṣeta vedeṣu uktām atha
aṅgataḥ ṛksāmavarṇākṣarataḥ yajuṣaḥ atharvaṇaḥ tathā

1. Vyasa said: One should thoroughly examine the Vedic knowledge (trayi-vidyā) as it is declared in the Vedas, along with their auxiliary sciences. This examination should involve the words and syllables of the Rig, Sama, Yajur, and Atharva Vedas.

Words meanings summery:

• व्यासः (vyāsaḥ) - Vyasa, compiler of the Vedas

• उवाच (uvāca) - said, spoke

• त्रयीविद्याम् (trayīvidyām) - the knowledge of the three Vedas

• अवेक्षेत (avekṣeta) - one should examine/consider

• वेदेषु (vedeṣu) - in the Vedas

• उक्ताम् (uktām) - that which is said/declared (feminine, accusative)

• अथ (atha) - and, then, also

• अङ्गतः (aṅgataḥ) - from the ancillary parts, along with the auxiliaries

• ऋक्सामवर्णाक्षरतः (ṛksāmavarṇākṣarataḥ) - from the words and syllables of the Rig and Sama Vedas

• यजुषः (yajuṣaḥ) - from the Yajur Veda

• अथर्वणः (atharvaṇaḥ) - from the Atharva Veda

• तथा (tathā) - thus, so, likewise, and

Words meanings and morphology

व्यासः (vyāsaḥ) - Vyasa, compiler of the Vedas

(proper noun)

Nominative, masculine, singular of vyāsa

vyāsa - Vyasa (proper noun); compiler; arranger

उवाच (uvāca) - said, spoke

(verb)

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

Root: vac (class 2)

त्रयीविद्याम् (trayīvidyām) - the knowledge of the three Vedas

(noun)

Accusative, feminine, singular of trayīvidyā

trayīvidyā - the knowledge contained in the three Vedas (Rig, Sama, Yajur)

Compound type : tatpuruṣa (trayī+vidyā)

• trayī – three; the triple Veda; feminine form of traya
  adjective (feminine)
• vidyā – knowledge, learning, science
  noun (feminine)

अवेक्षेत (avekṣeta) - one should examine/consider

(verb)

3rd person , singular, active, optative (liṅ) of avekṣ

Prefix: ava

Root: īkṣ (class 1)

वेदेषु (vedeṣu) - in the Vedas

(noun)

Locative, masculine, plural of veda

veda - Veda (sacred knowledge); knowledge, wisdom

उक्ताम् (uktām) - that which is said/declared (feminine, accusative)

(adjective)

Accusative, feminine, singular of ukta

ukta - said, spoken, declared; that which has been said

Past Passive Participle

Root: vac (class 2)

अथ (atha) - and, then, also

(indeclinable)

अङ्गतः (aṅgataḥ) - from the ancillary parts, along with the auxiliaries

(indeclinable)

ऋक्सामवर्णाक्षरतः (ṛksāmavarṇākṣarataḥ) - from the words and syllables of the Rig and Sama Vedas

(indeclinable)

Compound type : dvandva (ṛc+sāman+varṇa+akṣara)

• ṛc – hymn, verse (Rig Veda)
  noun (feminine)
• sāman – chant, melody (Sama Veda)
  noun (neuter)
• varṇa – letter, sound, word; color, class
  noun (masculine)
• akṣara – syllable, sound; imperishable, indestructible
  noun (neuter)

यजुषः (yajuṣaḥ) - from the Yajur Veda

(noun)

Genitive, neuter, singular of yajus

yajus - a sacrificial formula, Yajur Veda

अथर्वणः (atharvaṇaḥ) - from the Atharva Veda

(noun)

Genitive, masculine, singular of atharvan

atharvan - Atharvan (name of a sage); Atharva Veda

तथा (tathā) - thus, so, likewise, and

(indeclinable)