動詞 ingest:

1. serve oneself to, or consume regularly
   同義詞：consume, take in, take, have
2. take up mentally
   同義詞：absorb, assimilate, take in

1. A small stone found in the stomach of some reptiles, fish, and birds that aids in digestion by helping grind ingested food material.
   胃石一種小石頭，常發(fā)現(xiàn)于某些爬蟲、魚和鳥的胃中，通過幫助碾磨食物來幫助消化
2. Material, usually of plant or animal origin, that contains or consists of essential body nutrients, such as carbohydrates, fats, proteins, vitamins, or minerals, and is ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life.
   食物，糧食通常是源于植物和動物的物質(zhì)，包含有人體營養(yǎng)物的必不可少物質(zhì)或由其組成如：糖類、脂肪、蛋白質(zhì)、維他命和礦物質(zhì)等，由產(chǎn)生能量、促進發(fā)育和維持生命的組織消化和吸收

in.gest

v.tr.（及物動詞）
in.gest.ed,in.gest.ing,in.gests
To take into the body by the mouth for digestion or absorption.See Synonyms at eat
咽下：為了消化或吸收而通過嘴部進入身體參見 eat

來源：
Latin ingerere ingest-
拉丁語 ingerere ingest-
in- [in] * see in- 2
in- [在里邊] *參見 in-2
gerere [to carry]
gerere [帶上]

【引伸】
inges.tion
n.（名詞）
inges.tive
adj.（形容詞）