महाभारतः mahābhārataḥ - book-14, chapter-24, verse-20

शान्त्यर्थं वामदेवं च शान्तिर्ब्रह्म सनातनम् ।
एतद्रूपमुदानस्य परमं ब्राह्मणा विदुः ॥२०॥

20. śāntyarthaṁ vāmadevaṁ ca śāntirbrahma sanātanam ,
etadrūpamudānasya paramaṁ brāhmaṇā viduḥ.

20. śāntyartham vāmadevam ca śāntiḥ brahma sanātanam
etat rūpam udānasya paramam brāhmaṇāḥ viduḥ

20. For the purpose of tranquility, Vāmadeva (is revered), and peace (śānti) itself is the eternal (brahman). Learned ones understand this form of udāna to be the supreme (brahman).

Words meanings summery:

• शान्त्यर्थम् (śāntyartham) - for the sake of peace, for tranquility

• वामदेवम् (vāmadevam) - Vāmadeva (a deity/sage)

• च (ca) - and

• शान्तिः (śāntiḥ) - peace, tranquility

• ब्रह्म (brahma) - the ultimate reality (brahman)

• सनातनम् (sanātanam) - eternal, everlasting

• एतत् (etat) - this

• रूपम् (rūpam) - form, nature

• उदानस्य (udānasya) - of udāna (one of the five vital airs)

• परमम् (paramam) - supreme, highest

• ब्राह्मणाः (brāhmaṇāḥ) - Brahmins, learned persons

• विदुः (viduḥ) - they know, they understand

Words meanings and morphology

शान्त्यर्थम् (śāntyartham) - for the sake of peace, for tranquility

(indeclinable)

वामदेवम् (vāmadevam) - Vāmadeva (a deity/sage)

(proper noun)

Accusative, masculine, singular of vāmadeva

vāmadeva - name of a sage, a form of Śiva, a deity

च (ca) - and

(indeclinable)

शान्तिः (śāntiḥ) - peace, tranquility

(noun)

Nominative, feminine, singular of śānti

śānti - peace, tranquility, cessation, calm

ब्रह्म (brahma) - the ultimate reality (brahman)

(noun)

Nominative, neuter, singular of brahman

brahman - the ultimate reality, the Absolute, the Supreme Being

सनातनम् (sanātanam) - eternal, everlasting

(adjective)

Nominative, neuter, singular of sanātana

sanātana - eternal, everlasting, ancient, primeval

Note: Agrees with 'brahma'.

एतत् (etat) - this

(pronoun)

Nominative, neuter, singular of etad

etad - this, that

Note: Agrees with 'rūpam'.

रूपम् (rūpam) - form, nature

(noun)

Nominative, neuter, singular of rūpa

rūpa - form, shape, nature, appearance

उदानस्य (udānasya) - of udāna (one of the five vital airs)

(noun)

Genitive, masculine, singular of udāna

udāna - one of the five vital airs (prāṇas), responsible for speech and upward movement

परमम् (paramam) - supreme, highest

(adjective)

Accusative, neuter, singular of parama

parama - supreme, highest, ultimate, excellent

Note: Functions as a predicate accusative to 'rūpam', as the object known by 'viduḥ'.

ब्राह्मणाः (brāhmaṇāḥ) - Brahmins, learned persons

(noun)

Nominative, masculine, plural of brāhmaṇa

brāhmaṇa - a member of the priestly class, a learned person, a Brahmin

विदुः (viduḥ) - they know, they understand

(verb)

3rd person , plural, active, present indicative (laṭ) of vid

Root: vid (class 2)