*βrigər-

Descendants

 * Old Sumrë: brigar ("bright")
 * Old Sumrë: grigar ("red hot") - via the comparative form *gərβrigər
 * Old Sumrë: brigaren ("to shine")
 * Old Naumes: brighālan ("to shine")
 * Middle Naumes: urghóln ("to shine")
 * Naumes: urólno ("to shine")