महाभारतः mahābhārataḥ - book-12, chapter-97, verse-7

राज्ञा राजैव योद्धव्यस्तथा धर्मो विधीयते ।
नान्यो राजानमभ्यसेदराजन्यः कथंचन ॥७॥

7. rājñā rājaiva yoddhavyastathā dharmo vidhīyate ,
nānyo rājānamabhyasedarājanyaḥ kathaṁcana.

7. rājñā rājā eva yoddhavyaḥ tathā dharmaḥ vidhīyate
na anyaḥ rājānam abhyaset arājanyaḥ kathaṃcana

7. rājñā rājā eva yoddhavyaḥ tathā dharmaḥ vidhīyate
anyaḥ arājanyaḥ kathaṃcana rājānam na abhyaset

7. By a king, only a king should be fought; such is the natural law (dharma) prescribed. No other person, certainly no one who is not of the warrior class, should attack a king in any way.

Words meanings summery:

• राज्ञा (rājñā) - by a king, by the ruler

• राजा (rājā) - king, ruler

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

• योद्धव्यः (yoddhavyaḥ) - should be fought, fit to be fought

• तथा (tathā) - thus, so, in that manner

• धर्मः (dharmaḥ) - natural law, duty, righteousness, constitution

• विधीयते (vidhīyate) - is prescribed, is enjoined, is ordained

• न (na) - not, no

• अन्यः (anyaḥ) - another, other, different

• राजानम् (rājānam) - a king, the ruler (accusative)

• अभ्यसेत् (abhyaset) - should attack, should approach

• अराजन्यः (arājanyaḥ) - one who is not a kshatriya, not kingly, unsuitable for kingship

• कथंचन (kathaṁcana) - in any way, by any means, ever

Words meanings and morphology

राज्ञा (rājñā) - by a king, by the ruler

(noun)

Instrumental, masculine, singular of rājan

rājan - king, ruler, sovereign, prince

राजा (rājā) - king, ruler

(noun)

Nominative, masculine, singular of rājan

rājan - king, ruler, sovereign, prince

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

(indeclinable)

योद्धव्यः (yoddhavyaḥ) - should be fought, fit to be fought

(adjective)

Nominative, masculine, singular of yoddhavya

yoddhavya - to be fought, fit to be fought, worth fighting

Gerundive (Kartavya / Kritya)

Derived from root 'yudh' with suffix '-tavya'

Root: yudh (class 4)

तथा (tathā) - thus, so, in that manner

(indeclinable)

धर्मः (dharmaḥ) - natural law, duty, righteousness, constitution

(noun)

Nominative, masculine, singular of dharma

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

Root: dhṛ (class 1)

विधीयते (vidhīyate) - is prescribed, is enjoined, is ordained

(verb)

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

root 'dhā' with prefix 'vi', passive voice, present tense

Passive form of 'vidhā' (vi + dhā)

Prefix: vi

Root: dhā (class 3)

न (na) - not, no

(indeclinable)

अन्यः (anyaḥ) - another, other, different

(pronoun)

Nominative, masculine, singular of anya

anya - other, another, different, distinct

राजानम् (rājānam) - a king, the ruler (accusative)

(noun)

Accusative, masculine, singular of rājan

rājan - king, ruler, sovereign, prince

अभ्यसेत् (abhyaset) - should attack, should approach

(verb)

3rd person , singular, active, optative (liṅ) of abhyas

root 'as' with prefixes 'abhi'

Optative form of 'abhyas' (abhi + as)

Prefix: abhi

Root: as (class 4)

अराजन्यः (arājanyaḥ) - one who is not a kshatriya, not kingly, unsuitable for kingship

(adjective)

Nominative, masculine, singular of arājanya

arājanya - not kingly, not a Kshatriya, unsuitable for a king

Compound type : nañ-tatpuruṣa (a+rājanya)

• a – not, un-
  indeclinable
• rājanya – kingly, belonging to a king, a Kshatriya (member of the warrior class)
  noun (masculine)

कथंचन (kathaṁcana) - in any way, by any means, ever

(indeclinable)