महाभारतः mahābhārataḥ - book-13, chapter-32, verse-21

ब्राह्मणास्त्रिषु लोकेषु ये त्रिवर्गमनुष्ठिताः ।
अलोलुपाः पुण्यशीलास्तान्नमस्यामि केशव ॥२१॥

21. brāhmaṇāstriṣu lokeṣu ye trivargamanuṣṭhitāḥ ,
alolupāḥ puṇyaśīlāstānnamasyāmi keśava.

21. brāhmaṇāḥ triṣu lokeṣu ye trivargam anuṣṭhitāḥ
alolupāḥ puṇyaśīlāḥ tān namasyāmi keśava

21. keśava triṣu lokeṣu ye brāhmaṇāḥ trivargam
anuṣṭhitāḥ alolupāḥ puṇyaśīlāḥ tān namasyāmi

21. O Keśava, I revere those brahmins in the three worlds who are devoted to the three aims of human life—righteous conduct (dharma), prosperity, and pleasure—who are free from greed, and are of virtuous character.

Words meanings summery:

• ब्राह्मणाः (brāhmaṇāḥ) - those belonging to the brahmin class (Brahmins)

• त्रिषु (triṣu) - in the three (in three)

• लोकेषु (lokeṣu) - in the worlds (heaven, earth, underworld) (in the worlds, in the regions)

• ये (ye) - those (brahmins) who (who, those who)

• त्रिवर्गम् (trivargam) - the three aims of human life (righteous conduct, prosperity, and pleasure) (the group of three, the triad)

• अनुष्ठिताः (anuṣṭhitāḥ) - devoted to, practicing (established, performed, devoted to, practicing)

• अलोलुपाः (alolupāḥ) - free from greed (non-greedy, free from covetousness)

• पुण्यशीलाः (puṇyaśīlāḥ) - of virtuous character (of virtuous character, pious)

• तान् (tān) - them (the brahmins) (them, those)

• नमस्यामि (namasyāmi) - I revere (I bow, I revere, I salute)

• केशव (keśava) - O Keśava (an epithet of Krishna) (O Keśava, O Krishna)

Words meanings and morphology

ब्राह्मणाः (brāhmaṇāḥ) - those belonging to the brahmin class (Brahmins)

(noun)

Nominative, masculine, plural of brāhmaṇa

brāhmaṇa - a brahmin, one belonging to the priestly class, related to brahman

From brahman + -a (secondary derivation)

Root: bṛh

त्रिषु (triṣu) - in the three (in three)

(numeral)

लोकेषु (lokeṣu) - in the worlds (heaven, earth, underworld) (in the worlds, in the regions)

(noun)

Locative, masculine, plural of loka

loka - world, universe, region, people

Root: lok (class 1)

ये (ye) - those (brahmins) who (who, those who)

(pronoun)

Nominative, masculine, plural of yad

yad - which, who, what, whatever

Note: Refers to `brāhmaṇāḥ`.

त्रिवर्गम् (trivargam) - the three aims of human life (righteous conduct, prosperity, and pleasure) (the group of three, the triad)

(noun)

Accusative, masculine, singular of trivarga

trivarga - group of three, triad; the three pursuits of human life (dharma, artha, kama)

Compound type : dvigu (tri+varga)

• tri – three
  numeral
• varga – group, class, division
  noun (masculine)

अनुष्ठिताः (anuṣṭhitāḥ) - devoted to, practicing (established, performed, devoted to, practicing)

(adjective)

Nominative, masculine, plural of anuṣṭhita

anuṣṭhita - accomplished, practiced, established, performed

Past Passive Participle

From root sthā (to stand) with prefix anu (after, along)

Prefix: anu

Root: sthā (class 1)

Note: Qualifies `brāhmaṇāḥ` (implied `ye`).

अलोलुपाः (alolupāḥ) - free from greed (non-greedy, free from covetousness)

(adjective)

Nominative, masculine, plural of alolupa

alolupa - not covetous, not greedy, not agitated

Negative prefix 'a' + 'lolupa' (covetous). Lolupa is from root lup (to break, disturb) or lū (to cut).

Compound type : nañ-tatpuruṣa (a+lolupa)

• a – not, un-
  indeclinable
  Negative prefix
• lolupa – greedy, covetous, eager, unsteady
  adjective
  Reduplicated form, expressing intensity.
  Root: lup (class 6)

Note: Qualifies `brāhmaṇāḥ`.

पुण्यशीलाः (puṇyaśīlāḥ) - of virtuous character (of virtuous character, pious)

(adjective)

Nominative, masculine, plural of puṇyaśīla

puṇyaśīla - virtuous, pious, good-natured

Compound of puṇya (merit, virtue) and śīla (character, nature).

Compound type : karmadhāraya (puṇya+śīla)

• puṇya – virtuous, pure, meritorious; merit, virtue
  noun/adjective (neuter)
• śīla – character, nature, habit, conduct, moral disposition
  noun (masculine)
  Root: śīl (class 1)

Note: Qualifies `brāhmaṇāḥ`.

तान् (tān) - them (the brahmins) (them, those)

(pronoun)

Accusative, masculine, plural of tad

tad - that, those

नमस्यामि (namasyāmi) - I revere (I bow, I revere, I salute)

(verb)

1st person , singular, active, present (laṭ) of namasya

Denominative verb from 'namas'

Formed from the noun 'namas' (reverence) with the denominative suffix -sya.

Root: nam (class 1)

केशव (keśava) - O Keśava (an epithet of Krishna) (O Keśava, O Krishna)

(proper noun)

Vocative, masculine, singular of keśava

keśava - having fine hair; an epithet of Vishnu/Krishna

Possibly derived from 'keśa' (hair) + 'va' (having) or from slaying the demon Keśī.