Big Eater - Taishoku

Japanese: 大食 - たいしょく

〘noun〙 To eat more food than usual. To eat a lot. Also, the person. A big eater. A large amount of food. ※Gyokuyo - Jisho 5th year (1181), March 10th "It has been said that the former general had _a disease caused by _{eating too much} , or that he was _{in fact} a naturally big eater." ※Omoide no Ki (1900-01)〈Tokutomi Roka〉 9 "It is said that the way to advance literature is for writers to upset their stomachs by eating too much."

O- gui ohoguhi [big eater]

〘 noun 〙 (adjective verb) To eat a lot. Also, such a person. taishoku. ※Kan'ei-published Mokyu-sho (around 1529) 5 "The more a person eats, the more he eats." ※Soseki Natsume ( 1909 ) 9 "Oh, it's poisonous to eat a lot and then go to sleep."

O-kurai ohogurahi [big appetite]

〘 noun 〙 To eat a lot of food. Also, the person. Ogui. ※Gyokujinsho (1563) 23 "With neither ability nor virtue, he received his salary and ate a lot of food."

Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information

Japanese:

〘名〙食べものを普通以上に多量に食べること。たくさん食うこと。また、その人。おおぐい。おおぐらい。多食。※玉葉‐治承五年（1181）三月一〇日「伝聞、前大将、有_二食癖之病_一云々、或云、不_レ然、天性大食之人云々」※思出の記（1900‐01）〈徳富蘆花〉九「文学を進歩せしむるの道は文学者が大食して胃を悪くするにありと云ふ様な」