महाभारतः mahābhārataḥ - book-13, chapter-81, verse-14

महदुग्रं तपः कृत्वा मां निषेवन्ति मानवाः ।
देवदानवगन्धर्वाः पिशाचोरगराक्षसाः ॥१४॥

14. mahadugraṁ tapaḥ kṛtvā māṁ niṣevanti mānavāḥ ,
devadānavagandharvāḥ piśācoragarākṣasāḥ.

14. mahat ugram tapaḥ kṛtvā mām niṣevanti mānavāḥ
devadānavagandharvāḥ piśācoragarākṣasāḥ

14. mānavāḥ mahat ugram tapaḥ kṛtvā mām niṣevanti
devadānavagandharvāḥ piśācoragarākṣasāḥ

14. Human beings, having performed great and severe austerities (tapas), worship me. Likewise, gods, demons, celestial musicians (gandharvas), spirits, serpents, and ogres (rakṣasas also serve me).

Words meanings summery:

• महत् (mahat) - great (great, large, important)

• उग्रम् (ugram) - severe (severe, fierce, dreadful)

• तपः (tapaḥ) - austerity (tapas) (austerity, penance, heat)

• कृत्वा (kṛtvā) - having performed (having done, having made, having performed)

• माम् (mām) - me (me (accusative))

• निषेवन्ति (niṣevanti) - they worship, they serve (they serve, they attend upon, they worship)

• मानवाः (mānavāḥ) - human beings (human beings, men)

• देवदानवगन्धर्वाः (devadānavagandharvāḥ) - gods, demons, and celestial musicians (gandharvas) (gods, demons, and gandharvas)

• पिशाचोरगराक्षसाः (piśācoragarākṣasāḥ) - spirits, serpents, and ogres (rakṣasas) (spirits, serpents, and ogres)

Words meanings and morphology

महत् (mahat) - great (great, large, important)

(adjective)

neuter, singular of mahat

mahat - great, large, important, noble

Note: Adjective modifying tapaḥ.

उग्रम् (ugram) - severe (severe, fierce, dreadful)

(adjective)

neuter, singular of ugra

ugra - severe, fierce, dreadful, potent

Note: Adjective modifying tapaḥ.

तपः (tapaḥ) - austerity (tapas) (austerity, penance, heat)

(noun)

Accusative, neuter, singular of tapas

tapas - austerity, penance, heat, spiritual fervor

Root: tap (class 1)

कृत्वा (kṛtvā) - having performed (having done, having made, having performed)

(indeclinable)

absolutive/gerund

from kṛ (to do, make) + tvā

Root: kṛ (class 8)

माम् (mām) - me (me (accusative))

(pronoun)

Accusative, singular of aham

aham - I

निषेवन्ति (niṣevanti) - they worship, they serve (they serve, they attend upon, they worship)

(verb)

3rd person , plural, active, present (laṭ) of sev

Prefix: ni

Root: sev (class 1)

Note: The prefix ni intensifies or directs the action.

मानवाः (mānavāḥ) - human beings (human beings, men)

(noun)

Nominative, masculine, plural of mānava

mānava - human, belonging to Manu, human being

from Manu (name of progenitor) + a (suffix)

देवदानवगन्धर्वाः (devadānavagandharvāḥ) - gods, demons, and celestial musicians (gandharvas) (gods, demons, and gandharvas)

(noun)

Nominative, masculine, plural of devadānavagandharva

devadānavagandharva - gods, demons, and gandharvas

Compound type : dvandva (deva+dānava+gandharva)

• deva – god, deity
  noun (masculine)
• dānava – demon, son of Danu
  noun (masculine)
• gandharva – celestial musician, a class of semi-divine beings
  noun (masculine)

Note: Compound of deva, dānava, and gandharva.

पिशाचोरगराक्षसाः (piśācoragarākṣasāḥ) - spirits, serpents, and ogres (rakṣasas) (spirits, serpents, and ogres)

(noun)

Nominative, masculine, plural of piśācoragarākṣasa

piśācoragarākṣasa - spirits, serpents, and ogres

Compound type : dvandva (piśāca+uraga+rākṣasa)

• piśāca – ghost, goblin, a type of malevolent spirit
  noun (masculine)
• uraga – serpent, snake
  noun (masculine)
• rākṣasa – demon, ogre, a class of malevolent beings
  noun (masculine)

Note: Compound of piśāca, uraga, and rākṣasa.