महाभारतः mahābhārataḥ - book-12, chapter-57, verse-17

द्विट्छिद्रदर्शी नृपतिर्नित्यमेव प्रशस्यते ।
त्रिवर्गविदितार्थश्च युक्तचारोपधिश्च यः ॥१७॥

17. dviṭchidradarśī nṛpatirnityameva praśasyate ,
trivargaviditārthaśca yuktacāropadhiśca yaḥ.

17. dviṭ chidradarśī nṛpatiḥ nityam eva praśasyate
| trivargaviditārthaḥ ca yuktacāropadhiḥ ca yaḥ

17. yaḥ dviṭchidradarśī nṛpatiḥ nityam eva praśasyate
ca yaḥ trivargaviditārthaḥ ca yuktacāropadhiḥ

17. A king who constantly discerns the weaknesses of his enemies is always praised. So too is one who understands the true objectives of the three pursuits of life (dharma, artha, kama) and who employs effective intelligence agents.

Words meanings summery:

• द्विट् (dviṭ) - enemy, adversary

• छिद्रदर्शी (chidradarśī) - one who sees flaws, one who perceives weaknesses

• नृपतिः (nṛpatiḥ) - king, lord of men

• नित्यम् (nityam) - always, constantly, perpetually

• एव (eva) - indeed, certainly, only, just

• प्रशस्यते (praśasyate) - is praised, is lauded

• त्रिवर्गविदितार्थः (trivargaviditārthaḥ) - One who understands the objectives of dharma (natural law/righteous conduct), artha (prosperity/material well-being), and kama (desire/pleasure). (one who knows the aims/objectives of the three pursuits of life)

• च (ca) - and

• युक्तचारोपधिः (yuktacāropadhiḥ) - one who has well-employed spies or secret agents (or tests of integrity)

• च (ca) - and

• यः (yaḥ) - who, which

Words meanings and morphology

द्विट् (dviṭ) - enemy, adversary

(noun)

Nominative, masculine, singular of dviṣ

dviṣ - enemy, hater, adversary

Derived from root dviṣ 'to hate'.

Root: dviṣ (class 2)

Note: Used as the first part of a compound. The final ṣ becomes ṭ due to sandhi before a consonant.

छिद्रदर्शी (chidradarśī) - one who sees flaws, one who perceives weaknesses

(adjective)

Nominative, masculine, singular of chidradarśin

chidradarśin - one who sees flaws, fault-finder

Compound type : tatpuruṣa (chidra+darśin)

• chidra – hole, fault, flaw, weakness
  noun (neuter)
• darśin – seeing, one who sees, showing
  adjective (masculine)
  Agent noun suffix (ṇini)
  Derived from root dṛś 'to see'.
  Root: dṛś (class 1)

नृपतिः (nṛpatiḥ) - king, lord of men

(noun)

Nominative, masculine, singular of nṛpati

nṛpati - king, lord of men

Compound type : tatpuruṣa (nṛ+pati)

• nṛ – man, male
  noun (masculine)
• pati – master, lord, husband
  noun (masculine)

नित्यम् (nityam) - always, constantly, perpetually

(indeclinable)

Note: Used adverbially (neuter accusative singular).

एव (eva) - indeed, certainly, only, just

(indeclinable)

प्रशस्यते (praśasyate) - is praised, is lauded

(verb)

3rd person , singular, passive, present indicative (laṭ) of śas

Present Passive

Root śas with upasarga pra, 3rd person singular, present indicative, passive voice.

Prefix: pra

Root: śas (class 2)

त्रिवर्गविदितार्थः (trivargaviditārthaḥ) - One who understands the objectives of dharma (natural law/righteous conduct), artha (prosperity/material well-being), and kama (desire/pleasure). (one who knows the aims/objectives of the three pursuits of life)

(adjective)

Nominative, masculine, singular of trivargaviditārtha

trivargaviditārtha - one to whom the objects of the three (purusarthas) are known

Compound type : bahuvrīhi (trivarga+vidita+artha)

• trivarga – the group of three (dharma, artha, kama)
  noun (masculine)
• vidita – known, understood
  adjective
  Past Passive Participle
  From root vid 'to know'.
  Root: vid (class 2)
• artha – aim, purpose, object, meaning, wealth
  noun (masculine)

च (ca) - and

(indeclinable)

युक्तचारोपधिः (yuktacāropadhiḥ) - one who has well-employed spies or secret agents (or tests of integrity)

(adjective)

Nominative, masculine, singular of yuktacāropadhi

yuktacāropadhi - one whose spies and tests (of integrity) are well-employed

Compound type : bahuvrīhi (yukta+cāra+upadhi)

• yukta – joined, engaged, employed, proper, skilled
  adjective
  Past Passive Participle
  From root yuj 'to join, to employ'.
  Root: yuj (class 7)
• cāra – spy, secret agent, messenger
  noun (masculine)
  From root car 'to move, go'.
  Root: car (class 1)
• upadhi – secret agent, fraud, test of integrity (e.g., tempting ministers to reveal loyalty)
  noun (masculine)

च (ca) - and

(indeclinable)

यः (yaḥ) - who, which

(pronoun)

Nominative, masculine, singular of yad

yad - who, which, what (relative pronoun)