महाभारतः mahābhārataḥ - book-2, chapter-11, verse-31

राक्षसाश्च पिशाचाश्च दानवा गुह्यकास्तथा ।
सुपर्णनागपशवः पितामहमुपासते ॥३१॥

31. rākṣasāśca piśācāśca dānavā guhyakāstathā ,
suparṇanāgapaśavaḥ pitāmahamupāsate.

31. rākṣasāḥ ca piśācāḥ ca dānavāḥ guhyakāḥ
tathā suparṇanāgapaśavaḥ pitāmahaṃ upāsate

31. The Rākṣasas, the Piśācas, the Dānavas, and the Guhyakas; likewise, the Suparṇas (Garudas), Nāgas (serpents), and animals—all worship the grandfather (Brahmā).

Words meanings summery:

• राक्षसाः (rākṣasāḥ) - demons, ogres, Rākṣasas

• च (ca) - and, also

• पिशाचाः (piśācāḥ) - ghouls, evil spirits, Piśācas

• च (ca) - and, also

• दानवाः (dānavāḥ) - a class of demons, Dānavas (sons of Danu)

• गुह्यकाः (guhyakāḥ) - a class of demigods, attendants of Kubera, Guhyakas

• तथा (tathā) - likewise, similarly, as well

• सुपर्णनागपशवः (suparṇanāgapaśavaḥ) - Suparṇas (Garudas), Nāgas (serpents), and animals

• पितामहं (pitāmahaṁ) - Brahmā, the creator god (the grandfather (Brahmā))

• उपासते (upāsate) - they worship, they attend upon

Words meanings and morphology

राक्षसाः (rākṣasāḥ) - demons, ogres, Rākṣasas

(noun)

Nominative, masculine, plural of rākṣasa

rākṣasa - demon, ogre, Rākṣasa

च (ca) - and, also

(indeclinable)

पिशाचाः (piśācāḥ) - ghouls, evil spirits, Piśācas

(noun)

Nominative, masculine, plural of piśāca

piśāca - ghoul, evil spirit, Piśāca

च (ca) - and, also

(indeclinable)

दानवाः (dānavāḥ) - a class of demons, Dānavas (sons of Danu)

(noun)

Nominative, masculine, plural of dānava

dānava - a class of demons, son of Danu

गुह्यकाः (guhyakāḥ) - a class of demigods, attendants of Kubera, Guhyakas

(noun)

Nominative, masculine, plural of guhyaka

guhyaka - a class of demigods, attendant of Kubera, Guhyaka

तथा (tathā) - likewise, similarly, as well

(indeclinable)

सुपर्णनागपशवः (suparṇanāgapaśavaḥ) - Suparṇas (Garudas), Nāgas (serpents), and animals

(noun)

Nominative, masculine, plural of suparṇanāgapaśu

suparṇanāgapaśu - a group including Suparṇas, Nāgas, and animals

Compound type : dvandva (suparṇa+nāga+paśu)

• suparṇa – Garuda, a mythical bird, having beautiful wings
  noun (masculine)
• nāga – serpent, snake-deity
  noun (masculine)
• paśu – animal, beast, cattle
  noun (masculine)

पितामहं (pitāmahaṁ) - Brahmā, the creator god (the grandfather (Brahmā))

(noun)

Accusative, masculine, singular of pitāmaha

pitāmaha - grandfather; Brahmā

उपासते (upāsate) - they worship, they attend upon

(verb)

3rd person , plural, middle, present (laṭ) of upās

Prefix: upa

Root: ās (class 2)