महाभारतः mahābhārataḥ - book-5, chapter-38, verse-14

नित्यं सन्तः कुले जाताः पावकोपमतेजसः ।
क्षमावन्तो निराकाराः काष्ठेऽग्निरिव शेरते ॥१४॥

14. nityaṁ santaḥ kule jātāḥ pāvakopamatejasaḥ ,
kṣamāvanto nirākārāḥ kāṣṭhe'gniriva śerate.

14. nityam santaḥ kule jātāḥ pāvakopamatejasaḥ
kṣamāvantaḥ nirākārāḥ kāṣṭhe agniḥ iva śerate

14. Virtuous people (santaḥ), born in (noble) families, possessing brilliance (tejas) comparable to fire (agni), are patient and unassuming, residing like fire (agni) hidden within wood.

Words meanings summery:

• नित्यम् (nityam) - always, constantly, eternally

• सन्तः (santaḥ) - virtuous people (santaḥ) (virtuous people, existent ones, good people)

• कुले (kule) - in a family, in a lineage

• जाताः (jātāḥ) - born, produced

• पावकोपमतेजसः (pāvakopamatejasaḥ) - having brilliance like fire

• क्षमावन्तः (kṣamāvantaḥ) - patient, forgiving

• निराकाराः (nirākārāḥ) - formless, inconspicuous, unassuming

• काष्ठे (kāṣṭhe) - in wood, in a log

• अग्निः (agniḥ) - fire (agni) (fire)

• इव (iva) - like, as, as if

• शेरते (śerate) - they lie, they reside, they rest

Words meanings and morphology

नित्यम् (nityam) - always, constantly, eternally

(indeclinable)

Note: Used adverbially

सन्तः (santaḥ) - virtuous people (santaḥ) (virtuous people, existent ones, good people)

(adjective)

Nominative, masculine, plural of sat

sat - existent, good, virtuous, real

Present Active Participle

Present active participle of root as

Root: as (class 2)

कुले (kule) - in a family, in a lineage

(noun)

Locative, neuter, singular of kula

kula - family, lineage, race, noble stock

जाताः (jātāḥ) - born, produced

(adjective)

Nominative, masculine, plural of jāta

jāta - born, produced, arisen

Past Passive Participle

Past passive participle of root jan

Root: jan (class 4)

पावकोपमतेजसः (pāvakopamatejasaḥ) - having brilliance like fire

(adjective)

Nominative, masculine, plural of pāvakopamatejas

pāvakopamatejas - whose brilliance is like fire

Compound type : bahuvrihi (pāvaka+upama+tejas)

• pāvaka – fire, purifying, clean
  noun (masculine)
  Root: pū (class 1)
• upama – comparison, likeness, simile
  noun (feminine)
• tejas – brilliance, power, energy, splendor
  noun (neuter)

क्षमावन्तः (kṣamāvantaḥ) - patient, forgiving

(adjective)

Nominative, masculine, plural of kṣamāvat

kṣamāvat - possessed of patience, patient, forgiving

Derived with -vat suffix from kṣamā

निराकाराः (nirākārāḥ) - formless, inconspicuous, unassuming

(adjective)

Nominative, masculine, plural of nirākāra

nirākāra - formless, without shape, inconspicuous

Compound type : bahuvrihi (nis+ākāra)

• nis – without, out, free from
  indeclinable
• ākāra – form, shape, appearance
  noun (masculine)

काष्ठे (kāṣṭhe) - in wood, in a log

(noun)

Locative, neuter, singular of kāṣṭha

kāṣṭha - wood, piece of wood, log

अग्निः (agniḥ) - fire (agni) (fire)

(noun)

Nominative, masculine, singular of agni

agni - fire

इव (iva) - like, as, as if

(indeclinable)

शेरते (śerate) - they lie, they reside, they rest

(verb)

3rd person , plural, middle, present indicative (laṭ) of śī

Root: śī (class 2)