महाभारतः mahābhārataḥ - book-3, chapter-247, verse-25

त्रयस्त्रिंशदिमे लोकाः शेषा लोका मनीषिभिः ।
गम्यन्ते नियमैः श्रेष्ठैर्दानैर्वा विधिपूर्वकैः ॥२५॥

25. trayastriṁśadime lokāḥ śeṣā lokā manīṣibhiḥ ,
gamyante niyamaiḥ śreṣṭhairdānairvā vidhipūrvakaiḥ.

25. trayastriṃśat ime lokāḥ śeṣā lokā manīṣibhiḥ |
gamyante niyamaiḥ śreṣṭhaiḥ dānaiḥ vā vidhi-pūrvakaiḥ

25. These thirty-three worlds, along with other realms, are attained by the wise (manīṣibhiḥ) through excellent disciplines (niyamaiḥ) or by properly performed acts of giving (dāna).

Words meanings summery:

• त्रयस्त्रिंशत् (trayastriṁśat) - thirty-three

• इमे (ime) - these

• लोकाः (lokāḥ) - worlds, realms

• शेषा (śeṣā) - remaining, other

• लोकाः (lokāḥ) - worlds, realms

• मनीषिभिः (manīṣibhiḥ) - by the wise, by intelligent persons

• गम्यन्ते (gamyante) - they are attained, they are reached

• नियमैः (niyamaiḥ) - by disciplines, by rules, by restraints

• श्रेष्ठैः (śreṣṭhaiḥ) - by excellent, by best

• दानैः (dānaiḥ) - by gifts, by acts of giving

• वा (vā) - or

• विधि-पूर्वकैः (vidhi-pūrvakaiḥ) - by those done according to rule, by prescribed

Words meanings and morphology

त्रयस्त्रिंशत् (trayastriṁśat) - thirty-three

(numeral)

इमे (ime) - these

(pronoun)

Nominative, masculine, plural of idam

idam - this, these

लोकाः (lokāḥ) - worlds, realms

(noun)

Nominative, masculine, plural of loka

loka - world, realm, people, universe

शेषा (śeṣā) - remaining, other

(adjective)

Nominative, masculine, plural of śeṣa

śeṣa - remainder, rest, remaining, other

Root: śiṣ (class 7)

लोकाः (lokāḥ) - worlds, realms

(noun)

Nominative, masculine, plural of loka

loka - world, realm, people, universe

मनीषिभिः (manīṣibhiḥ) - by the wise, by intelligent persons

(noun)

Instrumental, masculine, plural of manīṣin

manīṣin - wise, intelligent, thoughtful, a sage

गम्यन्ते (gamyante) - they are attained, they are reached

(verb)

3rd person , plural, passive, present (lat) of gam

Root: gam (class 1)

नियमैः (niyamaiḥ) - by disciplines, by rules, by restraints

(noun)

Instrumental, masculine, plural of niyama

niyama - restraint, discipline, rule, vow, religious observance

Derived from ni + yam (to restrain)

Prefix: ni

Root: yam (class 1)

श्रेष्ठैः (śreṣṭhaiḥ) - by excellent, by best

(adjective)

Instrumental, masculine, plural of śreṣṭha

śreṣṭha - best, most excellent, chief, supreme

Superlative form of praśasya (excellent)

दानैः (dānaiḥ) - by gifts, by acts of giving

(noun)

Instrumental, neuter, plural of dāna

dāna - gift, giving, donation, act of charity

Derived from root dā (to give)

Root: dā (class 3)

वा (vā) - or

(indeclinable)

विधि-पूर्वकैः (vidhi-pūrvakaiḥ) - by those done according to rule, by prescribed

(adjective)

Instrumental, masculine, plural of vidhi-pūrvaka

vidhi-pūrvaka - preceded by rule, in a regular manner, according to prescription

Compound type : tatpuruṣa (vidhi+pūrvaka)

• vidhi – rule, injunction, ritual, manner
  noun (masculine)
• pūrvaka – preceded by, having as a basis, first, previous
  adjective (neuter)