महाभारतः mahābhārataḥ - book-12, chapter-69, verse-43

द्वारेषु च गुरूण्येव यन्त्राणि स्थापयेत्सदा ।
आरोपयेच्छतघ्नीश्च स्वाधीनानि च कारयेत् ॥४३॥

43. dvāreṣu ca gurūṇyeva yantrāṇi sthāpayetsadā ,
āropayecchataghnīśca svādhīnāni ca kārayet.

43. dvāreṣu ca gurūṇi eva yantrāṇi sthāpayet sadā
| āropayet śataghnīḥ ca svādhīnāni ca kārayet

43. (saḥ) ca dvāreṣu gurūṇi yantrāṇi eva sadā sthāpayet
ca śataghnīḥ āropayet ca svādhīnāni kārayet

43. And he should always install heavy machines at the gates. He should also deploy hundreds of weapons and make them subject to his control.

Words meanings summery:

• द्वारेषु (dvāreṣu) - at the gates, in the entrances

• च (ca) - and, also, moreover

• गुरूणि (gurūṇi) - heavy, important, significant

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

• यन्त्राणि (yantrāṇi) - machines, instruments, devices, engines

• स्थापयेत् (sthāpayet) - should install, should place, should establish

• सदा (sadā) - always, constantly, perpetually

• आरोपयेत् (āropayet) - should deploy, should raise, should place upon

• शतघ्नीः (śataghnīḥ) - (large) weapons, cannons (hundreds of killers, cannon, weapon that kills hundreds)

• च (ca) - and, also, moreover

• स्वाधीनानि (svādhīnāni) - subject to (his) control (dependent on oneself, self-controlled, autonomous, subject to one's will)

• च (ca) - and, also, moreover

• कारयेत् (kārayet) - should make, should cause to be done

Words meanings and morphology

द्वारेषु (dvāreṣu) - at the gates, in the entrances

(noun)

Locative, neuter, plural of dvāra

dvāra - door, gate, entrance, passage

च (ca) - and, also, moreover

(indeclinable)

गुरूणि (gurūṇi) - heavy, important, significant

(adjective)

Nominative, neuter, plural of guru

guru - heavy, weighty, important, venerable, teacher

Note: Adjective agreeing with `yantrāṇi`

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

(indeclinable)

यन्त्राणि (yantrāṇi) - machines, instruments, devices, engines

(noun)

Accusative, neuter, plural of yantra

yantra - instrument, machine, engine, device, implement

Note: Object of 'sthāpayet'.

स्थापयेत् (sthāpayet) - should install, should place, should establish

(verb)

3rd person , singular, active, optative (vidhi liṅ) of sthā

causative

root √sthā (1P) in causative stem (sthāp-)

Root: sthā (class 1)

Note: Subject is implied (king/ruler).

सदा (sadā) - always, constantly, perpetually

(indeclinable)

आरोपयेत् (āropayet) - should deploy, should raise, should place upon

(verb)

3rd person , singular, active, optative (vidhi liṅ) of ruh

causative

root √ruh (1P) with prefix ā in causative stem (rop-)

Prefix: ā

Root: ruh (class 1)

Note: Subject is implied (king/ruler).

शतघ्नीः (śataghnīḥ) - (large) weapons, cannons (hundreds of killers, cannon, weapon that kills hundreds)

(noun)

Accusative, feminine, plural of śataghni

śataghni - killer of hundreds, a cannon, a kind of weapon

Compound type : tatpurusha (śata+ghni)

• śata – hundred
  numeral (neuter)
• ghni – killer, slayer
  noun (feminine)
  from root √han 'to strike, kill'
  Root: han (class 2)

Note: Object of `āropayet`.

च (ca) - and, also, moreover

(indeclinable)

स्वाधीनानि (svādhīnāni) - subject to (his) control (dependent on oneself, self-controlled, autonomous, subject to one's will)

(adjective)

Accusative, neuter, plural of svādhīna

svādhīna - dependent on oneself, independent, self-controlled, subject to one's will

Compound type : bahuvrihi (sva+adhīna)

• sva – one's own, self
  pronoun
• adhīna – dependent, subordinate, subject to
  adjective (masculine)
  Prefix: adhi

Note: Adjective agreeing with the implied object (yantrāṇi/śataghnīḥ, or generally 'things').

च (ca) - and, also, moreover

(indeclinable)

कारयेत् (kārayet) - should make, should cause to be done

(verb)

3rd person , singular, active, optative (vidhi liṅ) of kṛ

causative

root √kṛ (8U) in causative stem (kāray-)

Root: kṛ (class 8)

Note: Subject is implied (king/ruler).