महाभारतः mahābhārataḥ - book-8, chapter-63, verse-31

देवदानवगन्धर्वाः पिशाचोरगराक्षसाः ।
प्रतिपक्षग्रहं चक्रुः कर्णार्जुनसमागमे ॥३१॥

31. devadānavagandharvāḥ piśācoragarākṣasāḥ ,
pratipakṣagrahaṁ cakruḥ karṇārjunasamāgame.

31. devadānavagandharvāḥ piśācoragarākṣasāḥ
pratipakṣagraham cakruḥ karṇārjunasamāgame

31. devadānavagandharvāḥ piśācoragarākṣasāḥ
karṇārjunasamāgame pratipakṣagraham cakruḥ

31. The Devas, Danavas, Gandharvas, Piśācas, Uragas, and Rākṣasas all took opposing sides at the encounter between Karṇa and Arjuna.

Words meanings summery:

• देवदानवगन्धर्वाः (devadānavagandharvāḥ) - Various classes of celestial beings and demigods (Devas, Danavas, and Gandharvas)

• पिशाचोरगराक्षसाः (piśācoragarākṣasāḥ) - Various classes of malevolent or mythical beings (Piśācas, Uragas, and Rākṣasas)

• प्रतिपक्षग्रहम् (pratipakṣagraham) - the taking of an opposing side, alignment with an opponent

• चक्रुः (cakruḥ) - they did, they made, they performed, they took

• कर्णार्जुनसमागमे (karṇārjunasamāgame) - at the encounter/meeting of Karṇa and Arjuna

Words meanings and morphology

देवदानवगन्धर्वाः (devadānavagandharvāḥ) - Various classes of celestial beings and demigods (Devas, Danavas, and Gandharvas)

(compound noun)

Compound type : dvandva (deva+dānava+gandharva)

• deva – god, deity, celestial being
  noun (masculine)
• dānava – a demon, an offspring of Danu (often hostile to Devas)
  noun (masculine)
• gandharva – celestial musician, demigod associated with music and arts
  noun (masculine)

पिशाचोरगराक्षसाः (piśācoragarākṣasāḥ) - Various classes of malevolent or mythical beings (Piśācas, Uragas, and Rākṣasas)

(compound noun)

Compound type : dvandva (piśāca+uraga+rākṣasa)

• piśāca – a type of demon or goblin
  noun (masculine)
• uraga – serpent, snake (literally 'moving on the breast')
  noun (masculine)
• rākṣasa – a demon, a giant (often evil and destructive)
  noun (masculine)

प्रतिपक्षग्रहम् (pratipakṣagraham) - the taking of an opposing side, alignment with an opponent

(compound noun)

Compound type : tatpurusha (pratipakṣa+graha)

• pratipakṣa – opposing side, adversary, opponent
  noun (masculine)
• graha – seizing, taking, holding, grasp
  noun (masculine)
  Derived from √grah
  Root: grah (class 9)

चक्रुः (cakruḥ) - they did, they made, they performed, they took

(verb)

3rd person , plural, active, perfect (liṭ) of √kṛ

Root: kṛ (class 8)

कर्णार्जुनसमागमे (karṇārjunasamāgame) - at the encounter/meeting of Karṇa and Arjuna

(compound noun)

Compound type : dvandva-tatpuruṣa (karṇa+arjuna+samāgama)

• karṇa – Karṇa (a great warrior in the Mahābhārata)
  proper noun (masculine)
• arjuna – Arjuna (a Pandava prince and great archer in the Mahābhārata)
  proper noun (masculine)
• samāgama – coming together, meeting, encounter, conjunction
  noun (masculine)
  Derived from sam-ā-√gam
  Prefixes: sam+ā
  Root: gam (class 1)