महाभारतः mahābhārataḥ - book-13, chapter-110, verse-121

यस्तु मासे गते भुङ्क्ते एकभक्तं शमात्मकः ।
सदा द्वादश मासान्वै ब्रह्मलोकमवाप्नुयात् ॥१२१॥

121. yastu māse gate bhuṅkte ekabhaktaṁ śamātmakaḥ ,
sadā dvādaśa māsānvai brahmalokamavāpnuyāt.

121. yaḥ tu māse gate bhuṅkte ekabhaktaṃ śamātmakaḥ
sadā dvādaśa māsān vai brahmalokam avāpnuyāt

121. yaḥ tu śamātmakaḥ māse gate ekabhaktaṃ bhuṅkte,
(saḥ) dvādaśa māsān sadā vai brahmalokam avāpnuyāt

121. A self-controlled person who eats only one meal once a month, consistently for twelve months, will indeed attain the world of Brahmā.

Words meanings summery:

• यः (yaḥ) - who, which, he who

• तु (tu) - but, indeed, on the other hand

• मासे (māse) - in the month

• गते (gate) - having gone, elapsed, passed

• भुङ्क्ते (bhuṅkte) - eats, enjoys

• एकभक्तं (ekabhaktaṁ) - one meal

• शमात्मकः (śamātmakaḥ) - self-controlled, tranquil in nature

• सदा (sadā) - always, constantly

• द्वादश (dvādaśa) - twelve

• मासान् (māsān) - months

• वै (vai) - indeed, certainly

• ब्रह्मलोकम् (brahmalokam) - the world of Brahmā

• अवाप्नुयात् (avāpnuyāt) - would attain, should obtain

Words meanings and morphology

यः (yaḥ) - who, which, he who

(pronoun)

Nominative, masculine, singular of yad

yad - which, what, who

तु (tu) - but, indeed, on the other hand

(indeclinable)

मासे (māse) - in the month

(noun)

Locative, masculine, singular of māsa

māsa - month

गते (gate) - having gone, elapsed, passed

(adjective)

Locative, masculine, singular of gata

gata - gone, past, elapsed

Past Passive Participle

Root: gam (class 1)

भुङ्क्ते (bhuṅkte) - eats, enjoys

(verb)

3rd person , singular, middle, present (laṭ) of bhuj

Root: bhuj (class 7)

एकभक्तं (ekabhaktaṁ) - one meal

(noun)

Accusative, neuter, singular of ekabhakta

ekabhakta - a single meal

Compound type : karmadhāraya (eka+bhakta)

• eka – one, single
  numeral
• bhakta – food, meal, partaken
  noun (neuter)
  Past Passive Participle (from bhaj)
  Root: bhaj (class 1)

शमात्मकः (śamātmakaḥ) - self-controlled, tranquil in nature

(adjective)

Nominative, masculine, singular of śamātmaka

śamātmaka - having a tranquil nature, self-controlled

Compound type : bahuvrihi (śama+ātman)

• śama – tranquility, calm, cessation
  noun (masculine)
  Root: śam (class 4)
• ātman – self, soul, spirit, nature
  noun (masculine)

सदा (sadā) - always, constantly

(indeclinable)

द्वादश (dvādaśa) - twelve

(numeral)

मासान् (māsān) - months

(noun)

Accusative, masculine, plural of māsa

māsa - month

वै (vai) - indeed, certainly

(indeclinable)

ब्रह्मलोकम् (brahmalokam) - the world of Brahmā

(noun)

Accusative, masculine, singular of brahmaloka

brahmaloka - the world of Brahmā

Compound type : tatpuruṣa (brahma+loka)

• brahma – Brahmā (the deity), sacred knowledge, the Absolute
  noun (neuter)
• loka – world, realm, sphere
  noun (masculine)

अवाप्नुयात् (avāpnuyāt) - would attain, should obtain

(verb)

3rd person , singular, active, optative (vidhiliṅ) of avāp

Prefixes: ava+pra

Root: āp (class 5)