महाभारतः mahābhārataḥ - book-12, chapter-210, verse-25

अभ्यस्यन्ति परं देवं विद्युत्संशब्दिताक्षरम् ।
अन्तकाले ह्युपासन्नास्तपसा दग्धकिल्बिषाः ॥२५॥

25. abhyasyanti paraṁ devaṁ vidyutsaṁśabditākṣaram ,
antakāle hyupāsannāstapasā dagdhakilbiṣāḥ.

25. abhyasyanti param devam vidyutsaṃśabditākṣaram
antakāle hi upāsannāḥ tapasā dagdhakilbiṣāḥ

25. vidyutsaṃśabditākṣaram param devam abhyasyanti
hi antakāle tapasā dagdhakilbiṣāḥ upāsannāḥ

25. They diligently practice the contemplation of the Supreme Being, the imperishable (akṣara) revealed like lightning. For at the time of death, those whose impurities have been burned away by spiritual austerity (tapas) draw near (to Him).

Words meanings summery:

• अभ्यस्यन्ति (abhyasyanti) - they diligently practice/contemplate (they practice, they study, they repeat)

• परम् (param) - Supreme (supreme, highest, ultimate)

• देवम् (devam) - Being (referring to the Supreme Being) (god, deity, divine being)

• विद्युत्संशब्दिताक्षरम् (vidyutsaṁśabditākṣaram) - the imperishable (akṣara) manifested like lightning (the imperishable that is called out by lightning, that which is described as lightning-like)

• अन्तकाले (antakāle) - at the time of death (at the time of death, at the end time)

• हि (hi) - for, indeed (for, indeed, because)

• उपासन्नाः (upāsannāḥ) - draw near (to Him) (approached, near, present)

• तपसा (tapasā) - by spiritual austerity (tapas) (by austerity, by spiritual fervor)

• दग्धकिल्बिषाः (dagdhakilbiṣāḥ) - those whose impurities have been burned away (those whose sins are burnt)

Words meanings and morphology

अभ्यस्यन्ति (abhyasyanti) - they diligently practice/contemplate (they practice, they study, they repeat)

(verb)

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

Present Active

From root as (to throw, to send, class 4) with upasarga abhi.

Prefix: abhi

Root: as (class 4)

Note: Subject is implied by the plural ending, referring to the 'those' who are purified.

परम् (param) - Supreme (supreme, highest, ultimate)

(adjective)

Accusative, masculine, singular of para

para - supreme, highest, ultimate, other, distant

देवम् (devam) - Being (referring to the Supreme Being) (god, deity, divine being)

(noun)

Accusative, masculine, singular of deva

deva - god, deity, divine, celestial

From root div (to shine).

Root: div (class 1)

Note: Here, implies the ultimate divine reality.

विद्युत्संशब्दिताक्षरम् (vidyutsaṁśabditākṣaram) - the imperishable (akṣara) manifested like lightning (the imperishable that is called out by lightning, that which is described as lightning-like)

(adjective)

Accusative, masculine, singular of vidyutsaṃśabditākṣara

vidyutsaṁśabditākṣara - the imperishable (akṣara) that is proclaimed/revealed/indicated by lightning

Descriptive compound. vidyut (lightning) + saṃśabdita (proclaimed, indicated - PPP of saṃśabd) + akṣara (imperishable). Qualifies 'devam'.

Compound type : karmadhāraya (vidyut+saṃśabdita+akṣara)

• vidyut – lightning, flash of light
  noun (feminine)
• saṃśabdita – called, named, proclaimed, indicated
  adjective (masculine)
  Past Passive Participle
  From sam + śabd (to sound, to name).
  Prefix: sam
  Root: śabd (class 10)
• akṣara – imperishable, indestructible, letter (of alphabet), syllable
  noun/adjective (neuter)
  a (not) + kṣara (perishable).
  Prefix: a
  Root: kṣar (class 1)

Note: This is an attribute of the Supreme Being.

अन्तकाले (antakāle) - at the time of death (at the time of death, at the end time)

(noun)

Locative, masculine, singular of antakāla

antakāla - time of death, end time

Tatpuruṣa compound: anta (end) + kāla (time).

Compound type : tatpuruṣa (anta+kāla)

• anta – end, limit, death
  noun (masculine)
• kāla – time, season, death
  noun (masculine)

हि (hi) - for, indeed (for, indeed, because)

(indeclinable)

Particle

उपासन्नाः (upāsannāḥ) - draw near (to Him) (approached, near, present)

(adjective)

Nominative, masculine, plural of upāsanna

upāsanna - approached, near, arrived, present, served, worshipped

Past Passive Participle

From upa + ās (to sit) + kta (PPP suffix).

Prefix: upa

Root: ās (class 2)

Note: Qualifies the implied subject (those who practice).

तपसा (tapasā) - by spiritual austerity (tapas) (by austerity, by spiritual fervor)

(noun)

Instrumental, neuter, singular of tapas

tapas - heat, spiritual austerity, penance, fervor

From root tap (to heat, to burn).

Root: tap (class 1)

Note: Indicates the means of burning away impurities.

दग्धकिल्बिषाः (dagdhakilbiṣāḥ) - those whose impurities have been burned away (those whose sins are burnt)

(adjective)

Nominative, masculine, plural of dagdhakilbiṣa

dagdhakilbiṣa - having sins/faults burnt

Bahuvrīhi compound: dagdha (burnt, consumed - PPP of dah) + kilbiṣa (sin, fault).

Compound type : bahuvrīhi (dagdha+kilbiṣa)

• dagdha – burnt, consumed, destroyed
  adjective (masculine)
  Past Passive Participle
  From root dah (to burn).
  Root: dah (class 1)
• kilbiṣa – sin, fault, impurity, offense
  noun (neuter)

Note: Qualifies the implied subject of abhyasyanti and upāsannāḥ.