महाभारतः mahābhārataḥ - book-5, chapter-48, verse-9

एतौ हि कर्मणा लोकान्नन्दयामासतुर्ध्रुवौ ।
असुराणामभावाय देवगन्धर्वपूजितौ ॥९॥

9. etau hi karmaṇā lokānnandayāmāsaturdhruvau ,
asurāṇāmabhāvāya devagandharvapūjitau.

9. etau hi karmaṇā lokān nandayāmāsatuḥ dhruvau
asurāṇām abhāvāya devagandharvapūjitau

9. Indeed, these two, revered by gods and gandharvas, constantly brought joy to the worlds through their actions (karma), all for the annihilation of the asuras (demons).

Words meanings summery:

• एतौ (etau) - these two

• हि (hi) - indeed, certainly

• कर्मणा (karmaṇā) - by their actions (karma) (by action, by work)

• लोकान् (lokān) - worlds, realms

• नन्दयामासतुः (nandayāmāsatuḥ) - they gladdened, they delighted

• ध्रुवौ (dhruvau) - firm, constant, fixed

• असुराणाम् (asurāṇām) - of the asuras (demons) (of the asuras, of the demons)

• अभावाय (abhāvāya) - for the non-existence, for the destruction

• देवगन्धर्वपूजितौ (devagandharvapūjitau) - worshipped by gods and gandharvas

Words meanings and morphology

एतौ (etau) - these two

(pronoun)

Nominative, masculine, dual of etad

etad - this

हि (hi) - indeed, certainly

(indeclinable)

कर्मणा (karmaṇā) - by their actions (karma) (by action, by work)

(noun)

Instrumental, neuter, singular of karman

karman - action, work, ritual, destiny (karma)

लोकान् (lokān) - worlds, realms

(noun)

Accusative, masculine, plural of loka

loka - world, realm, people

नन्दयामासतुः (nandayāmāsatuḥ) - they gladdened, they delighted

(verb)

3rd person , dual, active, past perfect (Lit) of nand

Periphrastic Perfect (Causative)

root nand + causative -aya + āmāsa (from as)

Root: nand (class 1)

ध्रुवौ (dhruvau) - firm, constant, fixed

(adjective)

Nominative, masculine, dual of dhruva

dhruva - firm, constant, fixed, certain

Note: Agrees with 'etau'.

असुराणाम् (asurāṇām) - of the asuras (demons) (of the asuras, of the demons)

(noun)

Genitive, masculine, plural of asura

asura - demon, anti-god

अभावाय (abhāvāya) - for the non-existence, for the destruction

(noun)

Dative, masculine, singular of abhāva

abhāva - non-existence, absence, destruction

देवगन्धर्वपूजितौ (devagandharvapūjitau) - worshipped by gods and gandharvas

(adjective)

Nominative, masculine, dual of devagandharvapūjita

devagandharvapūjita - worshipped by gods and gandharvas

Compound type : tatpurusha (deva+gandharva+pūjita)

• deva – god, deity
  noun (masculine)
• gandharva – a celestial musician, a class of semi-divine beings
  noun (masculine)
• pūjita – worshipped, honored
  adjective (masculine)
  Past Passive Participle
  Root pūj + suffix -ita.
  Root: pūj (class 10)

Note: Agrees with 'etau'.