महाभारतः mahābhārataḥ - book-3, chapter-80, verse-66

अर्चयित्वा पितॄन्देवान्नियतो नियताशनः ।
सर्वकामसमृद्धस्य यज्ञस्य फलमश्नुते ॥६६॥

66. arcayitvā pitṝndevānniyato niyatāśanaḥ ,
sarvakāmasamṛddhasya yajñasya phalamaśnute.

66. arcayitvā pitṝn devān niyataḥ niyatāśanaḥ
sarvakāmasamṛddhasya yajñasya phalam aśnute

66. niyataḥ niyatāśanaḥ pitṝn devān arcayitvā
sarvakāmasamṛddhasya yajñasya phalam aśnute

66. A person who, having worshipped the ancestors and gods, remains disciplined and moderate in eating, attains the full reward of a Vedic ritual (yajña) that fulfills all desires.

Words meanings summery:

• अर्चयित्वा (arcayitvā) - having worshipped, having honored

• पितॄन् (pitṝn) - ancestors, fathers

• देवान् (devān) - gods, deities

• नियतः (niyataḥ) - restrained, self-controlled, disciplined

• नियताशनः (niyatāśanaḥ) - one who has controlled food, moderate eater

• सर्वकामसमृद्धस्य (sarvakāmasamṛddhasya) - of that which is abundant in all desires, of that which fulfills all wishes

• यज्ञस्य (yajñasya) - of the Vedic ritual (yajña) (of the Vedic ritual, of the sacrifice)

• फलम् (phalam) - fruit, result, reward

• अश्नुते (aśnute) - obtains, enjoys, reaches

Words meanings and morphology

अर्चयित्वा (arcayitvā) - having worshipped, having honored

(indeclinable)

absolutive (gerund)

formed from root arc with suffix -itvā

Root: arc (class 1)

Note: Gerund/Absolutive.

पितॄन् (pitṝn) - ancestors, fathers

(noun)

Accusative, masculine, plural of pitṛ

pitṛ - father, ancestor, progenitor

Note: Object of 'arcayitvā'.

देवान् (devān) - gods, deities

(noun)

Accusative, masculine, plural of deva

deva - god, deity, divine being

Root: div (class 4)

Note: Object of 'arcayitvā'.

नियतः (niyataḥ) - restrained, self-controlled, disciplined

(adjective)

Nominative, masculine, singular of niyata

niyata - restrained, fixed, disciplined, controlled

Past Passive Participle

from ni- + yam (to restrain)

Prefix: ni

Root: yam (class 1)

Note: Refers to the implied subject of 'aśnute'.

नियताशनः (niyatāśanaḥ) - one who has controlled food, moderate eater

(adjective)

Nominative, masculine, singular of niyatāśana

niyatāśana - one whose food is regulated, moderate in eating

Compound type : bahuvrīhi (niyata+āśana)

• niyata – restrained, fixed, disciplined, controlled
  adjective (masculine)
  Past Passive Participle
  from ni- + yam (to restrain)
  Prefix: ni
  Root: yam (class 1)
• āśana – eating, food
  noun (neuter)
  agent noun/action noun
  from root aś (to eat)
  Root: aś (class 9)

Note: Refers to the implied subject of 'aśnute'.

सर्वकामसमृद्धस्य (sarvakāmasamṛddhasya) - of that which is abundant in all desires, of that which fulfills all wishes

(adjective)

Genitive, masculine, singular of sarvakāmasamṛddha

sarvakāmasamṛddha - abundant in all desires, fulfilling all wishes

Compound type : bahuvrīhi (sarvakāma+samṛddha)

• sarvakāma – all desires, all wishes
  noun (masculine)
• samṛddha – prosperous, abundant, fulfilled
  adjective (masculine)
  Past Passive Participle
  from sam- + ṛdh (to prosper)
  Prefix: sam
  Root: ṛdh (class 4)

Note: Qualifies 'yajñasya'.

यज्ञस्य (yajñasya) - of the Vedic ritual (yajña) (of the Vedic ritual, of the sacrifice)

(noun)

Genitive, masculine, singular of yajña

yajña - Vedic ritual, sacrifice, offering

from root yaj (to worship, offer)

Root: yaj (class 1)

फलम् (phalam) - fruit, result, reward

(noun)

Accusative, neuter, singular of phala

phala - fruit, result, consequence, reward

Note: Object of 'aśnute'.

अश्नुते (aśnute) - obtains, enjoys, reaches

(verb)

3rd person , singular, middle, present indicative (laṭ) of aś

root aś, ātmanepada

Root: aś (class 5)