GNEISTI
nafnorðkarlkyn
a, m., mod. neisti, [mid. H. Germ. ganeist; Dan. gnist; Swed. gnista; cp. the mineral gneiss, so called from its sparkling particles]:—a spark, Edda 4, Fms. iii. 193, v. 175, Sks. 204, Skálda 175: metaph., g. lífsins, Fms. x. 368. gneista-flaug, f. a shower of sparks, Bs. i. 44, Fms. iii. 180.