महाभारतः mahābhārataḥ - book-3, chapter-247, verse-18

पुरस्ताद्ब्रह्मणस्तत्र लोकास्तेजोमयाः शुभाः ।
यत्र यान्त्यृषयो ब्रह्मन्पूताः स्वैः कर्मभिः शुभैः ॥१८॥

18. purastādbrahmaṇastatra lokāstejomayāḥ śubhāḥ ,
yatra yāntyṛṣayo brahmanpūtāḥ svaiḥ karmabhiḥ śubhaiḥ.

18. purastāt brahmaṇaḥ tatra lokāḥ tejomayāḥ śubhāḥ yatra
yānti ṛṣayaḥ brahman pūtāḥ svaiḥ karmabhiḥ śubhaiḥ

18. O Brahman, there, before the ultimate reality (brahman), are auspicious worlds made of light, where sages, purified by their own auspicious deeds (karma), go.

Words meanings summery:

• पुरस्तात् (purastāt) - before, in front of, formerly

• ब्रह्मणः (brahmaṇaḥ) - of Brahman (the ultimate reality); of Brahmā (the creator god)

• तत्र (tatra) - there, in that place

• लोकाः (lokāḥ) - worlds, realms, regions

• तेजोमयाः (tejomayāḥ) - consisting of light, full of splendor, made of radiance

• शुभाः (śubhāḥ) - auspicious, pure, beautiful, shining

• यत्र (yatra) - where, in which place, to which

• यान्ति (yānti) - they go, they proceed

• ऋषयः (ṛṣayaḥ) - sages, seers, inspired poets

• ब्रह्मन् (brahman) - Referring to the addressee (a sage) (O Brahman (as in, a sage or knower of Brahman); O sage)

• पूताः (pūtāḥ) - purified, cleansed, pure

• स्वैः (svaiḥ) - by their own

• कर्मभिः (karmabhiḥ) - by deeds, by actions, by rituals

• शुभैः (śubhaiḥ) - by auspicious, by good, by pure

Words meanings and morphology

पुरस्तात् (purastāt) - before, in front of, formerly

(indeclinable)

ब्रह्मणः (brahmaṇaḥ) - of Brahman (the ultimate reality); of Brahmā (the creator god)

(noun)

Genitive, neuter, singular of brahman

brahman - ultimate reality, the Absolute; creator god Brahmā

तत्र (tatra) - there, in that place

(indeclinable)

लोकाः (lokāḥ) - worlds, realms, regions

(noun)

Nominative, masculine, plural of loka

loka - world, realm, people, community

तेजोमयाः (tejomayāḥ) - consisting of light, full of splendor, made of radiance

(adjective)

Nominative, masculine, plural of tejomaya

tejomaya - consisting of light/splendor, luminous

Compound type : Tatpurusha (tejas+maya)

• tejas – light, brilliance, splendor, energy, spiritual power
  noun (neuter)
• maya – made of, consisting of, full of
  suffix (masculine)
  Suffix indicating 'made of' or 'full of'

शुभाः (śubhāḥ) - auspicious, pure, beautiful, shining

(adjective)

Nominative, masculine, plural of śubha

śubha - auspicious, beautiful, shining, good, pure

यत्र (yatra) - where, in which place, to which

(indeclinable)

यान्ति (yānti) - they go, they proceed

(verb)

3rd person , plural, active, present (laṭ) of yā

Present Active

Root: yā (class 2)

ऋषयः (ṛṣayaḥ) - sages, seers, inspired poets

(noun)

Nominative, masculine, plural of ṛṣi

ṛṣi - sage, seer, inspired poet

ब्रह्मन् (brahman) - Referring to the addressee (a sage) (O Brahman (as in, a sage or knower of Brahman); O sage)

(noun)

Vocative, masculine, singular of brahman

brahman - a brahmin, a sage, one who knows Brahman

पूताः (pūtāḥ) - purified, cleansed, pure

(adjective)

Nominative, masculine, plural of pūta

pūta - purified, clean, pure

Past Passive Participle

Derived from root 'pū' (to purify)

Root: pū (class 1)

स्वैः (svaiḥ) - by their own

(pronoun)

Instrumental, masculine, plural of sva

sva - one's own, self, own property

कर्मभिः (karmabhiḥ) - by deeds, by actions, by rituals

(noun)

Instrumental, neuter, plural of karma

karma - action, deed, ritual, fate (karma)

शुभैः (śubhaiḥ) - by auspicious, by good, by pure

(adjective)

Instrumental, neuter, plural of śubha

śubha - auspicious, beautiful, shining, good, pure