fattening is a form of:

Fatten



verbpast tense: fattened ; past participle: fattened ; present participle: fattining ;
1.
(TRANSITIVE) ~ (somebody / something) (up) (to make or become fat) ដាក់ជី, ប្រឡាក់ខ្លាញ់, បំពេញទ្រព្យសប្បត្ដិ, ឡើងធាត់, ធ្វើឲ្យមានផល, fatten a person ធ្វើអោយធាត់ fatten pigs for slaughter បំប៉នអោយធាត់ fatten the offer បន្ថែមអោយច្រើនឡើង
ENGLISH MEANING
verbpast tense: fattened ; past participle: fattened ; present participle: fattining ;
1.
(TRANSITIVE) To make fat; to feed for slaughter; to make fleshy or plump with fat; to fill full; to fat.
2.
(TRANSITIVE) To make fertile and fruitful; to enrich; as, to fatten land; to fatten fields with blood.
3.
(INTRANSITIVE) To grow fat or corpulent; to grow plump, thick, or fleshy; to be pampered.