महाभारतः mahābhārataḥ - book-9, chapter-8, verse-31

कवचोष्णीषसंछन्ना पताकारुचिरद्रुमा ।
चक्रचक्रावलीजुष्टा त्रिवेणूदण्डकावृता ॥३१॥

31. kavacoṣṇīṣasaṁchannā patākāruciradrumā ,
cakracakrāvalījuṣṭā triveṇūdaṇḍakāvṛtā.

31. kavacoṣṇīṣasaṃchannā patākāruciradrumā
cakracakrāvalījuṣṭā triveṇūdaṇḍakāvṛtā

31. kavacoṣṇīṣasaṃchannā patākāruciradrumā
cakracakrāvalījuṣṭā triveṇūdaṇḍakāvṛtā

31. (The river was) covered with armor and turbans, adorned with beautiful banner-trees, frequented by rows of (chariot) wheels, and surrounded by triple-braided hair and staffs.

Words meanings summery:

• कवचोष्णीषसंछन्ना (kavacoṣṇīṣasaṁchannā) - covered with armors and turbans/head-dresses

• पताकारुचिरद्रुमा (patākāruciradrumā) - having beautiful trees of banners

• चक्रचक्रावलीजुष्टा (cakracakrāvalījuṣṭā) - attended by rows of wheels, endowed with rows of wheels

• त्रिवेणूदण्डकावृता (triveṇūdaṇḍakāvṛtā) - surrounded by triple-braided hair and staffs

Words meanings and morphology

कवचोष्णीषसंछन्ना (kavacoṣṇīṣasaṁchannā) - covered with armors and turbans/head-dresses

(adjective)

Nominative, feminine, singular of kavacoṣṇīṣasaṃchanna

kavacoṣṇīṣasaṁchanna - covered with armor and turbans/head-dresses

Compound type : bahuvrīhi (kavaca+uṣṇīṣa+saṃchanna)

• kavaca – armor, cuirass
  noun (masculine)
• uṣṇīṣa – turban, diadem, head-dress
  noun (masculine)
• saṃchanna – covered, concealed
  adjective
  Past Passive Participle
  Derived from root chad (to cover) with upasarga sam-
  Prefix: sam
  Root: chad (class 1)

Note: Describes the river.

पताकारुचिरद्रुमा (patākāruciradrumā) - having beautiful trees of banners

(adjective)

Nominative, feminine, singular of patākāruciradruma

patākāruciradruma - having beautiful banner-trees

Compound type : bahuvrīhi (patākā+rucira+druma)

• patākā – banner, flag, standard
  noun (feminine)
• rucira – beautiful, bright, pleasing
  adjective
• druma – tree
  noun (masculine)

Note: Describes the river.

चक्रचक्रावलीजुष्टा (cakracakrāvalījuṣṭā) - attended by rows of wheels, endowed with rows of wheels

(adjective)

Nominative, feminine, singular of cakracakrāvalījuṣṭa

cakracakrāvalījuṣṭa - attended by or endowed with rows of wheels

Compound type : bahuvrīhi (cakra+cakrāvali+juṣṭa)

• cakra – wheel, disc
  noun (neuter)
• cakrāvali – row/series of wheels
  noun (feminine)
• juṣṭa – frequented, served, attended, endowed with
  adjective
  Past Passive Participle
  Derived from root juṣ (to frequent, serve, attend)
  Root: juṣ (class 1)

Note: Describes the river.

त्रिवेणूदण्डकावृता (triveṇūdaṇḍakāvṛtā) - surrounded by triple-braided hair and staffs

(adjective)

Nominative, feminine, singular of triveṇūdaṇḍakāvṛta

triveṇūdaṇḍakāvṛta - covered/surrounded by triple braids of hair and staffs

Compound type : bahuvrīhi (triveṇu+daṇḍaka+āvṛta)

• triveṇu – triple braid of hair
  noun (masculine)
• daṇḍaka – staff, stick, mace
  noun (masculine)
• āvṛta – covered, surrounded, encompassed
  adjective
  Past Passive Participle
  Derived from root vṛ (to cover) with upasarga ā-
  Prefix: ā
  Root: vṛ (class 5)

Note: Describes the river.