Japanese word 蛍火 comes from Japanese 火, Japanese 蛍.
蛍火 detailed word origin explanation
|火 || Japanese (jpn) ||Fire. One of the five classical elements in traditional Chinese philosophy and medicine: see the "Wu Xing" entry on Wikipedia. Under the old Ritsuryō system of ancient Japan, a military grouping, consisting of 10 soldiers: a squad A fire Abbreviation for 火曜日 (Tuesday) A fire Antares, in the constellation Scorpio. Tuesday A fire; flames. A light. Heat. |
|蛍 || Japanese (jpn) ||Used in various compounds to refer to fluorescence A male female given name. A firefly. |
|蛍火 || Japanese (jpn) ||Small embers. The light of a firefly. |