महाभारतः mahābhārataḥ - book-3, chapter-32, verse-21

शिष्टैराचरितं धर्मं कृष्णे मा स्मातिशङ्किथाः ।
पुराणमृषिभिः प्रोक्तं सर्वज्ञैः सर्वदर्शिभिः ॥२१॥

21. śiṣṭairācaritaṁ dharmaṁ kṛṣṇe mā smātiśaṅkithāḥ ,
purāṇamṛṣibhiḥ proktaṁ sarvajñaiḥ sarvadarśibhiḥ.

21. śiṣṭaiḥ ācaritam dharmam kṛṣṇe mā sma atiśaṅkithāḥ
purāṇam ṛṣibhiḥ proktam sarvajñaiḥ sarvadarśibhiḥ

21. O Kṛṣṇa, do not doubt this natural law (dharma), which is ancient, practiced by the virtuous (śiṣṭa), and proclaimed by the omniscient, all-seeing seers (ṛṣi).

Words meanings summery:

• शिष्टैः (śiṣṭaiḥ) - by the virtuous, by the learned, by the disciplined

• आचरितम् (ācaritam) - practiced, observed, performed

• धर्मम् (dharmam) - the natural law (dharma), righteousness, duty

• कृष्णे (kṛṣṇe) - O Kṛṣṇa

• मा (mā) - do not, not

• स्म (sma) - indeed, certainly (historical augment or emphasis)

• अतिशङ्किथाः (atiśaṅkithāḥ) - you should doubt, you should be apprehensive

• पुराणम् (purāṇam) - ancient, old, primeval

• ऋषिभिः (ṛṣibhiḥ) - by the seers (ṛṣi)

• प्रोक्तम् (proktam) - declared, spoken, proclaimed

• सर्वज्ञैः (sarvajñaiḥ) - by the omniscient, by those who know everything

• सर्वदर्शिभिः (sarvadarśibhiḥ) - by the all-seeing, by those who perceive everything

Words meanings and morphology

शिष्टैः (śiṣṭaiḥ) - by the virtuous, by the learned, by the disciplined

(adjective)

Instrumental, masculine, plural of śiṣṭa

śiṣṭa - disciplined, cultured, virtuous, learned

Past Passive Participle (used as noun/adjective)

from root śiṣ (to teach, discipline)

Root: śiṣ (class 7)

Note: Agent of 'ācaritam'.

आचरितम् (ācaritam) - practiced, observed, performed

(adjective)

Accusative, neuter, singular of ācarita

ācarita - practiced, observed, performed

Past Passive Participle

from ā + root car (to move, behave)

Prefix: ā

Root: car (class 1)

Note: Qualifies 'dharmam'.

धर्मम् (dharmam) - the natural law (dharma), righteousness, duty

(noun)

Accusative, masculine, singular of dharma

dharma - natural law, righteousness, duty, virtue, constitution

Root: dhṛ (class 1)

Note: Object of 'atiśaṅkithāḥ'.

कृष्णे (kṛṣṇe) - O Kṛṣṇa

(proper noun)

Vocative, masculine, singular of kṛṣṇa

kṛṣṇa - Kṛṣṇa (a proper noun, name of a deity/person)

Note: Address to Kṛṣṇa.

मा (mā) - do not, not

(indeclinable)

स्म (sma) - indeed, certainly (historical augment or emphasis)

(indeclinable)

Note: Part of the prohibitive construction 'mā sma'.

अतिशङ्किथाः (atiśaṅkithāḥ) - you should doubt, you should be apprehensive

(verb)

2nd person , singular, middle, aorist (prohibitive) (luṅ) of atiśaṅk

Aorist (luṅ) middle voice, second person singular. Used with 'mā' for prohibition.

Prefix: ati

Root: śaṅk (class 1)

Note: The prohibition 'mā sma atiśaṅkithāḥ' means "do not doubt".

पुराणम् (purāṇam) - ancient, old, primeval

(adjective)

Accusative, neuter, singular of purāṇa

purāṇa - ancient, old, primeval; also a type of sacred text

Note: Qualifies 'dharmam', referring to its ancient nature. The gender (neuter) does not agree with 'dharmam' (masculine) in this instance, possibly indicating that it describes an inherent quality of 'dharma' as a concept, or there is a slight grammatical flexibility in the poetic context.

ऋषिभिः (ṛṣibhiḥ) - by the seers (ṛṣi)

(noun)

Instrumental, masculine, plural of ṛṣi

ṛṣi - seer, sage, inspired poet, Vedic hymn composer

Note: Agent of 'proktam'.

प्रोक्तम् (proktam) - declared, spoken, proclaimed

(adjective)

Accusative, neuter, singular of prokta

prokta - declared, spoken, proclaimed

Past Passive Participle

from pra + root vac (to speak)

Prefix: pra

Root: vac (class 2)

Note: Qualifies 'dharmam'. The gender (neuter) does not agree with 'dharmam' (masculine), similar to 'purāṇam', possibly referring to the declaration of dharma as a general truth or concept.

सर्वज्ञैः (sarvajñaiḥ) - by the omniscient, by those who know everything

(adjective)

Instrumental, masculine, plural of sarvajña

sarvajña - omniscient, all-knowing

from sarva (all) + root jñā (to know)

Compound type : upapada-tatpuruṣa (sarva+jña)

• sarva – all, every
  pronoun (masculine)
• jña – knowing, wise, acquainted with
  adjective (masculine)
  from root jñā (to know)
  Root: jñā (class 9)

Note: Qualifies 'ṛṣibhiḥ'.

सर्वदर्शिभिः (sarvadarśibhiḥ) - by the all-seeing, by those who perceive everything

(adjective)

Instrumental, masculine, plural of sarvadarśin

sarvadarśin - all-seeing, omniscient, perceiving everything

from sarva (all) + root dṛś (to see)

Compound type : upapada-tatpuruṣa (sarva+darśin)

• sarva – all, every
  pronoun (masculine)
• darśin – seeing, perceiving
  adjective (masculine)
  Agent Noun (affix -in)
  from root dṛś (to see)
  Root: dṛś (class 1)

Note: Qualifies 'ṛṣibhiḥ'.