महाभारतः mahābhārataḥ - book-7, chapter-13, verse-16

चक्रकूर्मां गदानक्रां शरक्षुद्रझषाकुलाम् ।
बडगृध्रसृगालानां घोरसंघैर्निषेविताम् ॥१६॥

16. cakrakūrmāṁ gadānakrāṁ śarakṣudrajhaṣākulām ,
baḍagṛdhrasṛgālānāṁ ghorasaṁghairniṣevitām.

16. chakrakūrmām gadānakrām śarakṣudrajhaṣākulām
baḍagṛdhrasṛgālānām ghorasaṅghaiḥ niṣevitām

16. chakrakūrmām gadānakrām śarakṣudrajhaṣākulām
baḍagṛdhrasṛgālānām ghorasaṅghaiḥ niṣevitām

16. It also had discus-tortoises and mace-crocodiles, was agitated by small fish-like arrows, and was frequented by dreadful hordes of ghouls, vultures, and jackals.

Words meanings summery:

• छक्रकूर्माम् (chakrakūrmām) - having disc-like tortoises (perhaps referring to shields or circular weapons resembling tortoises) (having disc-tortoises, having wheels as tortoises)

• गदानक्राम् (gadānakrām) - having mace-like crocodiles (referring to maces resembling crocodiles) (having mace-crocodiles)

• शरक्षुद्रझषाकुलाम् (śarakṣudrajhaṣākulām) - agitated by small fish-like arrows (swiftly moving arrows) (crowded with small fish-like arrows)

• बडगृध्रसृगालानाम् (baḍagṛdhrasṛgālānām) - of ghouls, vultures, and jackals

• घोरसङ्घैः (ghorasaṅghaiḥ) - by dreadful hordes, by terrifying groups

• निषेविताम् (niṣevitām) - frequented (by the dreadful hordes) (frequented, served)

Words meanings and morphology

छक्रकूर्माम् (chakrakūrmām) - having disc-like tortoises (perhaps referring to shields or circular weapons resembling tortoises) (having disc-tortoises, having wheels as tortoises)

(adjective)

Accusative, feminine, singular of chakrakūrmā

chakrakūrmā - having disc-tortoises

Compound adjective, meaning 'having wheels/discs as tortoises'.

Compound type : Bahuvrīhi (chakra+kūrma)

• chakra – discus, wheel
  noun (neuter)
• kūrma – tortoise
  noun (masculine)

Note: Qualifies 'nadīm' (river).

गदानक्राम् (gadānakrām) - having mace-like crocodiles (referring to maces resembling crocodiles) (having mace-crocodiles)

(adjective)

Accusative, feminine, singular of gadānakrā

gadānakrā - having mace-crocodiles

Compound adjective, meaning 'having maces as crocodiles'.

Compound type : Bahuvrīhi (gadā+nakra)

• gadā – mace
  noun (feminine)
• nakra – crocodile
  noun (masculine)

Note: Qualifies 'nadīm' (river).

शरक्षुद्रझषाकुलाम् (śarakṣudrajhaṣākulām) - agitated by small fish-like arrows (swiftly moving arrows) (crowded with small fish-like arrows)

(adjective)

Accusative, feminine, singular of śarakṣudrajhaṣākulā

śarakṣudrajhaṣākulā - crowded with small fish-like arrows

Compound adjective, meaning 'agitated by small fish-like arrows'. 'ākulā' (agitated, crowded) is the final element.

Compound type : Bahuvrīhi (śara+kṣudra+jhaṣa+ākulā)

• śara – arrow
  noun (masculine/neuter)
• kṣudra – small, tiny
  adjective (masculine)
• jhaṣa – fish
  noun (masculine)
• ākulā – crowded, agitated
  adjective (feminine)
  From ā-kula (to agitate, crowd)
  Prefix: ā
  Root: kul (class 10)

Note: Qualifies 'nadīm' (river).

बडगृध्रसृगालानाम् (baḍagṛdhrasṛgālānām) - of ghouls, vultures, and jackals

(noun)

Genitive, masculine, plural of baḍagṛdhrasṛgāla

baḍagṛdhrasṛgāla - ghouls, vultures, and jackals

Dvandva compound of predatory scavengers.

Compound type : Dvandva (baḍa+gṛdhra+sṛgāla)

• baḍa – demon, ghoul, low-caste
  noun (masculine)
• gṛdhra – vulture
  noun (masculine)
• sṛgāla – jackal
  noun (masculine)

घोरसङ्घैः (ghorasaṅghaiḥ) - by dreadful hordes, by terrifying groups

(noun)

Instrumental, masculine, plural of ghorasaṅgha

ghorasaṅgha - dreadful horde, terrifying group

Compound noun, 'dreadful' (ghora) + 'horde/group' (saṅgha).

Compound type : Karmadhāraya (ghora+saṅgha)

• ghora – dreadful, terrifying
  adjective (masculine)
• saṅgha – horde, group, multitude
  noun (masculine)

Note: Refers to the agents frequenting the river.

निषेविताम् (niṣevitām) - frequented (by the dreadful hordes) (frequented, served)

(adjective)

Accusative, feminine, singular of niṣevitā

niṣevitā - frequented, served, resorted to

Past Passive Participle

From ni + sev (to serve, to frequent). 'ṣ' due to 'ni'.

Prefix: ni

Root: sev (class 1)

Note: Qualifies 'nadīm' (river).