Demon child - Oni

Japanese: 鬼子 - おにご

〘noun〙① A child born with a strange appearance resembling an ogre. It is often used to refer to a child born with teeth or hair. ※Taiki - Kouji 3rd year (1144) May 20th "The Left General said, A man in Otsu gave birth to _a _demon child, with a face about one foot long, _two eyes that were not _fully opened, a _long _{nose and} _chin , a mouth _under the chin, and two eyes and _{a nose and} _mouth at the back of the head, but the eyes were the same." ② A child who is fierce and strong like a demon. ※Joruri - Urashima Chronicle (1722) 4 "Now it's a demon child and a bear twisting their poles." ③ A child who does not resemble his parents. Also used figuratively. ※The Path He Walked (1965)〈Suekawa Hiroshi〉Ten Teaching Stories "Modern science has given birth to a terrifying demon child like a nuclear weapon."

Onikko [Demon child]

〘 noun 〙 = Onigo (demon child) ※ From the humorous book Ukiyo-furo (1809-13) Mae "A child who does not resemble his parents is called an Onikko (demon child) ."

Oni-no-ko [Demon child]

〘Noun〙 Another name for the insect "bagworm". Season: Autumn [Moshiogusa (around 1513)]

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

Japanese:

〘名〙① 鬼に似て異様な容貌で生まれてきた子。多く歯、または髪が生えて生まれた子にいう。※台記‐康治三年（1144）五月二〇日「左大将云、大津有_レ人、生_二鬼子_一者、其貌、面長一尺、有_二二目_一不_レ開、鼻長及_レ頤、頤下有_レ口、頭後又有_二目鼻口_一、但其目一矣」② 鬼のように荒々しく強い子供。※浄瑠璃・浦島年代記（1722）四「サア鬼子と熊との棒捻ぢゃ」③ 両親に似ていない子。比喩的にも用いる。※彼の歩んだ道（1965）〈末川博〉教学十話「現代の科学は、核兵器のようなおそるべき鬼子を生んだ」