How to Spell light

Middle English liht, light, going back to Old English lēoht, Anglian lēht, going back to Germanic *leuh-t-, neuter noun (whence also Old Frisian liācht "light," Old Saxon lioht, Middle Dutch licht, lich, Old High German lioht), probably syncopated from an earlier consonantal stem *leuhađa-, as in Gothic liuhaþ "light," derivative of an Indo-European base *leu̯k- "become bright," whence also Old Irish lóchet "flash of lightning," Welsh llug "light, radiance," llug y dydd "daybreak," amlwg "clear, easily seen" (< *ambi-luk- with zero-grade), Latin lūceō, lūcēre "to emit light, shine" (Old Latin, "to cause to shine," with o-grade *lou̯k-), lūc-, lūx "light," Old Church Slavic luča "ray of light," Russian luč (genitive lučá), Bosnian-Croatian-Serbian lûč "kindling wood, torch" (< Slavic *lou̯k-), Old Prussian luckis "piece of firewood," Greek leukós "bright, shining, white," Armenian loys "light," Tocharian B lukṣäṃ "(s/he) brings light to, illuminates,"Sanskrit rócate "(it) shines, is bright," Avestan raociṇt- "brightening," Hittite lukta "it becomes light, dawns"