महाभारतः mahābhārataḥ - book-12, chapter-301, verse-5

वागध्यात्ममिति प्राहुर्यथाश्रुतिनिदर्शनम् ।
वक्तव्यमधिभूतं तु वह्निस्तत्राधिदैवतम् ॥५॥

5. vāgadhyātmamiti prāhuryathāśrutinidarśanam ,
vaktavyamadhibhūtaṁ tu vahnistatrādhidaivatam.

5. vāk adhyātmam iti prāhuḥ yathā śrutinidarśanam
vaktavyam adhibhūtam tu vahniḥ tatra adhidaivatam

5. yathā śrutinidarśanam vāk adhyātmam iti prāhuḥ tu
vaktavyam adhibhūtam tatra vahniḥ adhidaivatam

5. According to the explanation of the Vedic revelation (śrutinidarśanam), they declare that speech (vāk) is the spiritual aspect (adhyātman). What is to be spoken (vaktavya) is the material aspect (adhibhūta), and Agni (vahni) is the presiding deity (adhidaivata) in that context.

Words meanings summery:

• वाक् (vāk) - speech, voice

• अध्यात्मम् (adhyātmam) - spiritual aspect, related to the self

• इति (iti) - indicating direct speech or a conclusion (thus, so)

• प्राहुः (prāhuḥ) - they declare, they say

• यथा (yathā) - according to, as

• श्रुतिनिदर्शनम् (śrutinidarśanam) - explanation of Vedic revelation, teaching of scripture

• वक्तव्यम् (vaktavyam) - what is to be spoken, speech, utterance

• अधिभूतम् (adhibhūtam) - material aspect, pertaining to elements or beings

• तु (tu) - but, indeed, however

• वह्निः (vahniḥ) - fire, Agni (a deity)

• तत्र (tatra) - there, in that context

• अधिदैवतम् (adhidaivatam) - presiding deity, divine aspect

Words meanings and morphology

वाक् (vāk) - speech, voice

(noun)

Nominative, feminine, singular of vāc

vāc - speech, voice, word

अध्यात्मम् (adhyātmam) - spiritual aspect, related to the self

(noun)

Nominative, neuter, singular of adhyātman

adhyātman - relating to the self, individual soul, spiritual aspect (ātman)

इति (iti) - indicating direct speech or a conclusion (thus, so)

(indeclinable)

प्राहुः (prāhuḥ) - they declare, they say

(verb)

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

Prefix: pra

Root: vac (class 2)

यथा (yathā) - according to, as

(indeclinable)

श्रुतिनिदर्शनम् (śrutinidarśanam) - explanation of Vedic revelation, teaching of scripture

(noun)

Nominative, neuter, singular of śrutinidarśana

śrutinidarśana - explanation or illustration of Śruti (Vedic revelation)

Compound type : tatpuruṣa (śruti+nidarśana)

• śruti – hearing, sacred knowledge, Vedic revelation, scripture
  noun (feminine)
  Root: śru (class 5)
• nidarśana – showing, illustration, explanation, example
  noun (neuter)
  From root dṛś with prefix ni
  Prefix: ni
  Root: dṛś (class 1)

वक्तव्यम् (vaktavyam) - what is to be spoken, speech, utterance

(noun)

Nominative, neuter, singular of vaktavya

vaktavya - to be spoken, what should be said, speech, utterance

Gerundive

Formed from root vac (to speak) with the suffix -tavya

Root: vac (class 2)

अधिभूतम् (adhibhūtam) - material aspect, pertaining to elements or beings

(noun)

Nominative, neuter, singular of adhibhūta

adhibhūta - pertaining to beings or elements, material aspect

Prefix: adhi

Root: bhū (class 1)

तु (tu) - but, indeed, however

(indeclinable)

वह्निः (vahniḥ) - fire, Agni (a deity)

(proper noun)

Nominative, masculine, singular of vahni

vahni - fire, Agni (the fire god), carrier

Root: vah (class 1)

तत्र (tatra) - there, in that context

(indeclinable)

अधिदैवतम् (adhidaivatam) - presiding deity, divine aspect

(noun)

Nominative, neuter, singular of adhidaivata

adhidaivata - pertaining to a deity, divine aspect, presiding deity

Compound type : tatpuruṣa (adhi+devatā)

• adhi – over, above, concerning, presiding over
  indeclinable
• devatā – deity, divinity
  noun (feminine)