महाभारतः mahābhārataḥ - book-9, chapter-62, verse-6

तत्त्वतो वै समाचक्ष्व सर्वमध्वर्युसत्तम ।
यच्चात्र कारणं ब्रह्मन्कार्यस्यास्य विनिश्चये ॥६॥

6. tattvato vai samācakṣva sarvamadhvaryusattama ,
yaccātra kāraṇaṁ brahmankāryasyāsya viniścaye.

6. tattvataḥ vai samācakṣva sarvam adhvaryu-sattama
yat ca atra kāraṇam brahman kāryasya asya viniścaye

6. adhvaryu-sattama tattvataḥ vai sarvam samācakṣva ca
brahman asya kāryasya viniścaye yat kāraṇam atra

6. O best of the priests (adhvaryu), indeed explain everything to me truthfully and completely, and disclose, O Brahmin, whatever the cause (kāraṇa) is here regarding the ascertainment of this matter.

Words meanings summery:

• तत्त्वतः (tattvataḥ) - Explain the truth/details. (truly, in truth, in reality, in detail)

• वै (vai) - Emphasizing the request for explanation. (indeed, surely, verily)

• समाचक्ष्व (samācakṣva) - An instruction to the priest to explain everything. (explain, recount, tell completely)

• सर्वम् (sarvam) - Explain everything. (all, every, whole)

• अध्वर्यु-सत्तम (adhvaryu-sattama) - The speaker is addressing the best among the adhvaryu priests. (O best of the adhvaryu priests)

• यत् (yat) - Whatever cause exists here. (which, whatever, that)

• च (ca) - Connecting the two parts of the request. (and, also)

• अत्र (atra) - In this current context or situation. (here, in this place, in this matter)

• कारणम् (kāraṇam) - The underlying reason for the events. (cause, reason)

• ब्रह्मन् (brahman) - The speaker addressing the Brahmin again. (O Brahmin)

• कार्यस्य (kāryasya) - Pertaining to the specific event or action being discussed. (of the matter, of the deed, of the task)

• अस्य (asya) - Of this specific matter. (of this, his, its)

• विनिश्चये (viniścaye) - In the process of definitively understanding the matter. (in the ascertainment, in the decision, in the determination)

Words meanings and morphology

तत्त्वतः (tattvataḥ) - Explain the truth/details. (truly, in truth, in reality, in detail)

(indeclinable)

From `tattva` (truth, reality) + `tas` suffix (indicating 'from' or 'in respect of').

वै (vai) - Emphasizing the request for explanation. (indeed, surely, verily)

(indeclinable)

Particle of emphasis.

समाचक्ष्व (samācakṣva) - An instruction to the priest to explain everything. (explain, recount, tell completely)

(verb)

2nd person , singular, middle, imperative (loṭ) of samācakṣ

imperative

From root `cakṣ` (to see, say) with prefixes `sam` and `ā`.

Prefixes: sam+ā

Root: cakṣ (class 2)

सर्वम् (sarvam) - Explain everything. (all, every, whole)

(pronoun)

Accusative, neuter, singular of sarva

sarva - all, every, whole, complete

Note: Could also be nominative singular.

अध्वर्यु-सत्तम (adhvaryu-sattama) - The speaker is addressing the best among the adhvaryu priests. (O best of the adhvaryu priests)

(noun)

Vocative, masculine, singular of adhvaryu-sattama

adhvaryu-sattama - best of the adhvaryu priests

Tatpuruṣa compound.

Compound type : Tatpuruṣa (adhvaryu+sattama)

• adhvaryu – a priest who recites the Yajurveda; a sacrificer; an officiating priest in a yajña
  noun (masculine)
• sattama – best, most excellent
  adjective (masculine)
  Superlative form of `sat` (good/existent).

यत् (yat) - Whatever cause exists here. (which, whatever, that)

(pronoun)

Nominative, neuter, singular of yad

yad - which, what, whatever, who, that

Relative pronoun stem.

Note: Could also be accusative singular.

च (ca) - Connecting the two parts of the request. (and, also)

(indeclinable)

अत्र (atra) - In this current context or situation. (here, in this place, in this matter)

(indeclinable)

From pronoun `idam` (this) + `tra` suffix.

कारणम् (kāraṇam) - The underlying reason for the events. (cause, reason)

(noun)

Nominative, neuter, singular of kāraṇa

kāraṇa - cause, reason, motive, instrument, means

From root `kṛ` (to do) + `ana` suffix.

Root: kṛ (class 8)

Note: Could also be accusative singular.

ब्रह्मन् (brahman) - The speaker addressing the Brahmin again. (O Brahmin)

(noun)

Vocative, masculine, singular of brahman

brahman - a Brahmin; one who knows or possesses (brahman); the Supreme Being (brahman); the Vedas, sacred word, prayer.

Derived from root `bṛh` (to grow, swell).

Root: bṛh (class 1)

कार्यस्य (kāryasya) - Pertaining to the specific event or action being discussed. (of the matter, of the deed, of the task)

(noun)

Genitive, neuter, singular of kārya

kārya - to be done, proper to be done, duty, action, business, matter, purpose

Gerundive/Future Passive Participle

From root `kṛ` (to do) + `ya` suffix.

Root: kṛ (class 8)

अस्य (asya) - Of this specific matter. (of this, his, its)

(pronoun)

Genitive, neuter, singular of idam

idam - this, this here

Genitive singular of the demonstrative pronoun `idam`.

विनिश्चये (viniścaye) - In the process of definitively understanding the matter. (in the ascertainment, in the decision, in the determination)

(noun)

Locative, masculine, singular of viniścaya

viniścaya - ascertainment, determination, decision, firm conviction

From root `ci` (to gather, observe) with prefixes `vi` and `nis`.

Prefixes: vi+nis

Root: ci (class 5)