योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-32, verse-8

लेखामर्यादया दीर्घबद्धया स्थापितस्थिति ।
अनिवार्यमहासैन्यझांकाराश्रुतसंकथम् ॥ ८ ॥

lekhāmaryādayā dīrghabaddhayā sthāpitasthiti ,
anivāryamahāsainyajhāṃkārāśrutasaṃkatham 8

8. lekhāmaryadayā dīrghabaddhayā sthāpita-sthiti
anivārya-mahāsainya-jhaṅkārāśruta-saṃkatham

8. (an army whose) sthiti dīrghabaddhayā lekhāmaryadayā sthāpitā
(and whose) saṃkatham anivārya-mahāsainya-jhaṅkārāśrutam

8. Their positions were fixed by a long, well-ordered battle line, and the irresistible roar of the vast army was so deafening that no conversations could be heard.

Words meanings summery:

• लेखामर्यदया (lekhāmaryadayā) - by a clearly delineated and maintained battle line (by the boundary of a line, by a defined line)

• दीर्घबद्धया (dīrghabaddhayā) - by a line that is long and well-maintained (by a long, bound/fixed (one))

• स्थापित-स्थिति (sthāpita-sthiti) - The army, whose formation or standing is firmly established (having an established position/state)

• अनिवार्य-महासैन्य-झङ्काराश्रुत-संकथम् (anivārya-mahāsainya-jhaṅkārāśruta-saṁkatham) - The army, creating such an irresistible roar that no conversations among its members could be discerned (whose conversations cannot be heard due to the irresistible roar of the great army)

Words meanings and morphology

लेखामर्यदया (lekhāmaryadayā) - by a clearly delineated and maintained battle line (by the boundary of a line, by a defined line)

(noun)

Instrumental, feminine, singular of lekhā-maryadā

lekhā-maryadā - boundary of a line, limit of an outline

Compound type : tatpuruṣa (lekhā+maryadā)

• lekhā – line, streak, outline
  noun (feminine)
  From √likh (to write, scratch).
  Root: likh (class 6)
• maryadā – boundary, limit, rule
  noun (feminine)
  Root: mṛ

दीर्घबद्धया (dīrghabaddhayā) - by a line that is long and well-maintained (by a long, bound/fixed (one))

(adjective)

Instrumental, feminine, singular of dīrgha-baddha

dīrgha-baddha - long and bound/fixed

Compound type : karmadhāraya (dīrgha+baddha)

• dīrgha – long, extended
  adjective
• baddha – bound, fixed, constrained
  adjective
  Past Passive Participle
  From √bandh (to bind).
  Root: bandh (class 9)

Note: Agrees with lekhāmaryadayā.

स्थापित-स्थिति (sthāpita-sthiti) - The army, whose formation or standing is firmly established (having an established position/state)

(adjective)

Accusative, masculine, singular of sthāpita-sthiti

sthāpita-sthiti - one whose position is established

Compound type : bahuvrīhi (sthāpita+sthiti)

• sthāpita – established, fixed, set up
  adjective
  Past Passive Participle
  From causative √sthā (to stand, place).
  Root: sthā (class 1)
• sthiti – standing, position, state, firm arrangement
  noun (feminine)
  From √sthā (to stand) + kti suffix.
  Root: sthā (class 1)

Note: Functions adjectivally, describing the implied 'army'.

अनिवार्य-महासैन्य-झङ्काराश्रुत-संकथम् (anivārya-mahāsainya-jhaṅkārāśruta-saṁkatham) - The army, creating such an irresistible roar that no conversations among its members could be discerned (whose conversations cannot be heard due to the irresistible roar of the great army)

(adjective)

Accusative, neuter, singular of anivārya-mahāsainya-jhaṅkārāśruta-saṃkatha

anivārya-mahāsainya-jhaṅkārāśruta-saṁkatha - having conversations unheard due to the irresistible roar of the great army

Compound type : bahuvrīhi (anivārya+mahā+sainya+jhaṅkāra+āśruta+saṃkatha)

• anivārya – irresistible, unavoidable, not to be prevented
  adjective
  Gerundive / Potential Passive Participle
  From a-ni-√vṛ (not to be prevented).
  Prefixes: a+ni
  Root: vṛ (class 10)
• mahā – great, mighty, large
  adjective
  Root form of mahat.
• sainya – army, host, military
  noun (neuter)
  From senā (army) + ya suffix.
• jhaṅkāra – buzzing, roaring, clang, deep sound
  noun (masculine)
  Onomatopoeic.
• āśruta – heard, listened to
  adjective (neuter)
  Past Passive Participle
  From ā-√śru (to hear).
  Prefix: ā
  Root: śru (class 5)
• saṃkatha – conversation, talk, discourse
  noun (masculine)
  From sam-√kath (to speak together).
  Prefix: sam
  Root: kath (class 10)

Note: Accusative singular neuter, modifying an implied noun like 'situation' or 'army'.