Compound of 鬼 (oni, “ghost, devil”) + 火 (hi, “fire”). The hi changes to bi due to rendaku (連濁).
鬼火 (hiragana おにび, romaji onibi)
- a will o' the wisp
鬼火 (hiragana おにび, romaji Onibi)
- short for 鬼火焚 (Onibitaki), a fire matsuri (Japanese festival) held around Kyūshū on 7 (in some places, 14) January
- (January fire festivals, not just in Kyūshū):
- (fire festival in general): 火祭り (ひまつり, himatsuri)
鬼火 (traditional and simplified, measure word 團/团, Pinyin guǐhuǒ)