महाभारतः mahābhārataḥ - book-15, chapter-9, verse-22

सुसंवृतं मन्त्रगृहं स्थलं चारुह्य मन्त्रयेः ।
अरण्ये निःशलाके वा न च रात्रौ कथंचन ॥२२॥

22. susaṁvṛtaṁ mantragṛhaṁ sthalaṁ cāruhya mantrayeḥ ,
araṇye niḥśalāke vā na ca rātrau kathaṁcana.

22. susaṃvṛtam mantragṛham sthalam ca āruhya mantrayeḥ
araṇye niḥśalāke vā na ca rātrau kathaṃcana

22. tvam susaṃvṛtam mantragṛham vā araṇye niḥśalāke sthalam ca āruhya mantrayeḥ.
ca rātrau kathaṃcana na (mantrayeḥ)

22. You should deliberate in a well-protected council chamber, or having ascended an elevated place in a secluded forest free from any disturbances. And never, under any circumstances, at night.

Words meanings summery:

• सुसंवृतम् (susaṁvṛtam) - well-covered, well-concealed, well-protected

• मन्त्रगृहम् (mantragṛham) - the chamber where secret deliberations take place (council room, secret chamber for deliberation)

• स्थलम् (sthalam) - place, ground, elevated ground

• च (ca) - and

• आरुह्य (āruhya) - having ascended, by climbing

• मन्त्रयेः (mantrayeḥ) - you should consult, deliberate

• अरण्ये (araṇye) - in the forest, in the wilderness

• निःशलाके (niḥśalāke) - a secluded place free from eavesdroppers or hidden spies (free from reeds/stakes, secluded, free from spies/obstacles)

• वा (vā) - or

• न (na) - not

• च (ca) - and

• रात्रौ (rātrau) - at night

• कथंचन (kathaṁcana) - by any means, ever, under any circumstances

Words meanings and morphology

सुसंवृतम् (susaṁvṛtam) - well-covered, well-concealed, well-protected

(adjective)

Accusative, neuter, singular of susaṃvṛta

susaṁvṛta - well-covered, well-concealed, well-protected, private

Past Passive Participle

From root vṛ (to cover, enclose) with upasargas su and sam.

Compound type : pra-adi tatpuruṣa (su+saṃvṛta)

• su – good, well, excellent
  indeclinable
  Prefix
• saṃvṛta – covered, concealed, enclosed, protected
  adjective (neuter)
  Past Passive Participle
  From root vṛ (to cover) with upasarga sam.
  Prefix: sam
  Root: vṛ (class 5)

Note: Modifies 'mantragṛham'.

मन्त्रगृहम् (mantragṛham) - the chamber where secret deliberations take place (council room, secret chamber for deliberation)

(noun)

Accusative, neuter, singular of mantragṛha

mantragṛha - council house, secret chamber, consulting room

Compound type : tatpuruṣa (mantra+gṛha)

• mantra – counsel, plan, sacred utterance
  noun (masculine)
  From root mantr (to advise, ponder).
  Root: mantr (class 10)
• gṛha – house, dwelling, chamber
  noun (neuter)

Note: Used adverbially to indicate location, 'in the council chamber'.

स्थलम् (sthalam) - place, ground, elevated ground

(noun)

Accusative, neuter, singular of sthala

sthala - place, ground, dry land, elevated spot

Root: sthal (class 1)

Note: Object of 'āruhya'.

च (ca) - and

(indeclinable)

आरुह्य (āruhya) - having ascended, by climbing

(indeclinable)

Absolutive (Gerund)

From root ruh (to ascend) with upasarga ā.

Prefix: ā

Root: ruh (class 1)

मन्त्रयेः (mantrayeḥ) - you should consult, deliberate

(verb)

2nd person , singular, active, optative (vidhi-liṅ (ātmanepada)) of mantr

Denominative verb from 'mantra' (counsel, sacred utterance), Class 10.

Root: mantr (class 10)

अरण्ये (araṇye) - in the forest, in the wilderness

(noun)

Locative, neuter, singular of araṇya

araṇya - forest, wilderness, wild region

निःशलाके (niḥśalāke) - a secluded place free from eavesdroppers or hidden spies (free from reeds/stakes, secluded, free from spies/obstacles)

(adjective)

Locative, neuter, singular of niḥśalāka

niḥśalāka - free from reeds/stakes, unobstructed, secluded, free from spies

From nis (without) and śalāka (reed, spike, spy).

Compound type : bahuvrīhi (nis+śalāka)

• nis – without, out of, away from
  indeclinable
  Prefix
• śalāka – reed, spike, dart, spy, eavesdropper
  noun (masculine)

Note: Modifies 'araṇye' or implied 'sthale'.

वा (vā) - or

(indeclinable)

न (na) - not

(indeclinable)

च (ca) - and

(indeclinable)

रात्रौ (rātrau) - at night

(noun)

Locative, feminine, singular of rātri

rātri - night

कथंचन (kathaṁcana) - by any means, ever, under any circumstances

(indeclinable)

From 'katham' (how) and the particle 'cana'.