महाभारतः mahābhārataḥ - book-5, chapter-126, verse-43

देवासुरमनुष्याश्च गन्धर्वोरगराक्षसाः ।
अस्मिन्युद्धे सुसंयत्ता हनिष्यन्ति परस्परम् ॥४३॥

43. devāsuramanuṣyāśca gandharvoragarākṣasāḥ ,
asminyuddhe susaṁyattā haniṣyanti parasparam.

43. devasuramanuṣyāḥ ca gandharvoragarākṣasāḥ
asmin yuddhe susaṃyattāḥ haniṣyanti parasparam

43. devasuramanuṣyāḥ ca gandharvoragarākṣasāḥ
susaṃyattāḥ asmin yuddhe parasparam haniṣyanti

43. Gods, Asuras, humans, Gandharvas, Uragas, and Rākṣasas, all thoroughly prepared for this battle, will kill one another.

Words meanings summery:

• देवसुरमनुष्याः (devasuramanuṣyāḥ) - gods, asuras, and humans

• च (ca) - and, also

• गन्धर्वोरगराक्षसाः (gandharvoragarākṣasāḥ) - Gandharvas, Uragas (serpent beings), and Rākṣasas (demons)

• अस्मिन् (asmin) - in this

• युद्धे (yuddhe) - in battle, in the fight

• सुसंयत्ताः (susaṁyattāḥ) - well-prepared, fully equipped

• हनिष्यन्ति (haniṣyanti) - they will kill, they will strike down

• परस्परम् (parasparam) - each other, mutually

Words meanings and morphology

देवसुरमनुष्याः (devasuramanuṣyāḥ) - gods, asuras, and humans

(noun)

Nominative, masculine, plural of devasuramanuṣya

devasuramanuṣya - gods, asuras, and humans (collectively)

Compound type : dvandva (deva+asura+manuṣya)

• deva – god, deity
  noun (masculine)
  Root: div (class 4)
• asura – demon, anti-god
  noun (masculine)
• manuṣya – human being, man
  noun (masculine)

च (ca) - and, also

(indeclinable)

गन्धर्वोरगराक्षसाः (gandharvoragarākṣasāḥ) - Gandharvas, Uragas (serpent beings), and Rākṣasas (demons)

(noun)

Nominative, masculine, plural of gandharvoragarākṣasa

gandharvoragarākṣasa - Gandharvas, Uragas, and Rākṣasas (collectively)

Compound type : dvandva (gandharva+uraga+rākṣasa)

• gandharva – celestial musician, a class of semi-divine beings
  noun (masculine)
• uraga – serpent, snake, a mythical serpent-being
  noun (masculine)
• rākṣasa – demon, evil spirit
  noun (masculine)

अस्मिन् (asmin) - in this

(pronoun)

Locative, neuter, singular of idam

idam - this, this one

Note: Agrees with 'yuddhe'

युद्धे (yuddhe) - in battle, in the fight

(noun)

Locative, neuter, singular of yuddha

yuddha - battle, fight, war

Past Passive Participle (used as noun)

Derived from root 'yudh'

Root: yudh (class 4)

सुसंयत्ताः (susaṁyattāḥ) - well-prepared, fully equipped

(adjective)

Nominative, masculine, plural of susaṃyatta

susaṁyatta - well-prepared, well-equipped, thoroughly restrained

Compound type : karmadhāraya (su+saṃyatta)

• su – good, well, excellent
  indeclinable
  Prefix/adverb
• saṃyatta – prepared, equipped, restrained, controlled
  adjective
  Past Passive Participle
  Derived from root 'yam' with prefix 'sam-'
  Prefix: sam
  Root: yam (class 1)

Note: Agrees with the preceding list of beings

हनिष्यन्ति (haniṣyanti) - they will kill, they will strike down

(verb)

3rd person , plural, active, future (lṛṭ) of han

Root verb, 2nd class (adādi)

Root: han (class 2)

परस्परम् (parasparam) - each other, mutually

(indeclinable)

Note: Used adverbially here