"Ninigi" suna ne daga tatsuniyar Jafananci. Yana nufin wani allahntaka, wanda kuma aka sani da Ninigi-no-Mikoto, wanda aka yi imani da cewa shine jikan allahn rana Amaterasu kuma kakan farko na gidan sarauta na Japan. A cikin harshen Jafananci, ana iya rubuta sunan "Ninigi" (ニニギ) da kanji a matsayin "瓊瓊杵尊". Duk da haka, kalmar "ninigi" ba ta da ma'ana gama gari a wajen wannan mahallin al'ada.