महाभारतः mahābhārataḥ - book-12, chapter-101, verse-13

आवासस्तोयवान्दुर्गः पर्याकाशः प्रशस्यते ।
परेषामुपसर्पाणां प्रतिषेधस्तथा भवेत् ॥१३॥

13. āvāsastoyavāndurgaḥ paryākāśaḥ praśasyate ,
pareṣāmupasarpāṇāṁ pratiṣedhastathā bhavet.

13. āvāsaḥ toyavān durgaḥ paryākāśaḥ praśasyate
pareṣām upasarpāṇām pratiṣedhaḥ tathā bhavet

13. toyavān durgaḥ paryākāśaḥ āvāsaḥ praśasyate
tathā pareṣām upasarpāṇām pratiṣedhaḥ bhavet

13. An encampment (āvāsa) that has water, is fortified, and offers ample open space around it is praised. Similarly, it should serve to prevent the infiltration of enemies or spies (upasarpas).

Words meanings summery:

• आवासः (āvāsaḥ) - encampment (dwelling, abode, encampment)

• तोयवान् (toyavān) - having water (having water, watery)

• दुर्गः (durgaḥ) - fortified (difficult to access, fortified, fortress)

• पर्याकाशः (paryākāśaḥ) - having ample open space around it (having open space around, surrounded by space)

• प्रशस्यते (praśasyate) - is praised (is praised, is commended, is recommended)

• परेषाम् (pareṣām) - of enemies (of others, of enemies, of opponents)

• उपसर्पाणाम् (upasarpāṇām) - of spies (upasarpas) (of spies, of intruders, of secret agents)

• प्रतिषेधः (pratiṣedhaḥ) - prevention (prevention, prohibition, obstruction, repulsion)

• तथा (tathā) - similarly (similarly, in that way, thus)

• भवेत् (bhavet) - should be (should be, may be, would be)

Words meanings and morphology

आवासः (āvāsaḥ) - encampment (dwelling, abode, encampment)

(noun)

Nominative, masculine, singular of āvāsa

āvāsa - dwelling, abode, encampment, residence

Derived from prefix ā- and root √vas (to dwell)

Prefix: ā

Root: vas (class 1)

तोयवान् (toyavān) - having water (having water, watery)

(adjective)

Nominative, masculine, singular of toyavat

toyavat - having water, watery, possessing water

Derived from toya (water) + -vat (possessive suffix)

दुर्गः (durgaḥ) - fortified (difficult to access, fortified, fortress)

(adjective)

Nominative, masculine, singular of durga

durga - difficult to access, fortified, fortress

Compound of dus (difficult) and ga (going)

Compound type : tatpurusha (dus+ga)

• dus – difficult, bad, hard
  indeclinable
  Prefix indicating difficulty or badness
• ga – going, moving
  noun (masculine)
  derived from √gam
  Derived from root √gam (to go)
  Root: gam (class 1)

पर्याकाशः (paryākāśaḥ) - having ample open space around it (having open space around, surrounded by space)

(adjective)

Nominative, masculine, singular of paryākāśa

paryākāśa - having open space around, surrounded by space

Compound of pari (around) and ākāśa (space)

Compound type : bahuvrihi (pari+ākāśa)

• pari – around, about, thoroughly
  indeclinable
  Prefix or adverb
• ākāśa – space, sky, ether
  noun (masculine)

प्रशस्यते (praśasyate) - is praised (is praised, is commended, is recommended)

(verb)

3rd person , singular, passive, present (laṭ) of praśas

Passive form

Present passive form of √śaṃs with prefix pra-

Prefix: pra

Root: śaṃs (class 1)

परेषाम् (pareṣām) - of enemies (of others, of enemies, of opponents)

(adjective)

Genitive, masculine, plural of para

para - other, distant, supreme, enemy

उपसर्पाणाम् (upasarpāṇām) - of spies (upasarpas) (of spies, of intruders, of secret agents)

(noun)

Genitive, masculine, plural of upasarpā

upasarpā - spy, intruder, secret agent

Derived from prefix upa- and root √sṛp (to creep, approach)

Prefix: upa

Root: sṛp (class 1)

प्रतिषेधः (pratiṣedhaḥ) - prevention (prevention, prohibition, obstruction, repulsion)

(noun)

Nominative, masculine, singular of pratiṣedha

pratiṣedha - prevention, prohibition, obstruction, repulsion

Derived from prefix prati- and root √sidh (to ward off, stop)

Prefix: prati

Root: sidh (class 1)

तथा (tathā) - similarly (similarly, in that way, thus)

(indeclinable)

भवेत् (bhavet) - should be (should be, may be, would be)

(verb)

3rd person , singular, active, optative (vidhiliṅ) of bhū

Root: bhū (class 1)