The story
From Japanese, 鉄板焼き (teppan'yaki), from 鉄板 (teppan, “iron plate”) + 焼き (yaki, “frying; roasting; broiling”).
Etymology from Wiktionary, CC BY-SA 4.0.
teppanyaki
Today it means: A Japanese style of cooking in which thin slices of meat, or fish, seafood, vegetables and noodles are quickly fried on a hotplate. Full definition →