pronounced: lysjɔl (“Lüssiol”)
French word for Firefly (Eng.); Glühwurm (Ger.), Luziola (Ita.)
Flying insect of the family of Lampyridae has the ability to emit fluorescent light between 510 and 640 nm wavelength and can be seen at night as a moving green spot.
This is similar to the technology used by the company to measure oxygen saturation of brain tissue.