*bhereg-

masc. proper name, from German (the French form is Aubert), from Old High German Adalbert, literally "noble-bright," from Old High German adal "noble family," from Proto-Germanic *athala- (see atheling) + second element from Proto-Germanic *berhta- "bright" (from PIE root *bhereg- "to shine; bright, white").

The compound is cognate with Old English Æþelbeorht (which sometimes was metathesized as Æþelbriht, hence the surname Albright). As a kind of watch chain, from 1861 (see Prince Albert).

fem. proper name, from Old High German Berahta, Perahta, the name of a goddess, literally "the bright one," from Old High German beraht "bright," related to Old English beorht (from PIE root *bhereg- "to shine; bright, white"). Soldiers' nickname Big Bertha for large-bore German mortar of World War I is a reference to Frau Bertha Krupp von Bohlen und Halbach (1886-1957), owner of Krupp steel works from 1903-43.