MetTheo 135:1.b23 :ܗܢܐ ܩܐܗܪܐܢܘܣ ܡܐ ܕܢ݁ܦܠ ܥܠ ܐܪܥܐ܂ ܠܐ ܡܬܚܙܝܐ ܓܘܡܪܢܝܘܬܗ‏ : once this thunderbolt falls to earth its glow is not seen
See the entire entry for gumrānāyū, gumrānāyūṯā n.f. fiery color