Hubert

masc. proper name, from Old North French Hugues, Old French Hue, from a Frankish name meaning "heart, mind," cognate with Old High German Hugi, related to hugu "mind, soul, thought." Very popular after the Conquest (often in Latin form Hugo); the common form was Howe, the nickname form Hudd. Its popularity is attested by the more than 90 modern surnames formed from it, including Hughes, Howe, Hudson, Hewitt, Hutchins.

*bherəg-, Proto-Indo-European root meaning "to shine; bright, white." It forms all or part of: Albert; Bertha; birch; bright; Egbert; Ethelbert; Gilbert; Herbert; Hubert; Lambert; Robert.

It is the hypothetical source of/evidence for its existence is provided by: Sanskrit bhrajate "shines, glitters;" Lithuanian brėkšti "to dawn;" Welsh berth "bright, beautiful."

"radiating or reflecting light," Old English bryht, metathesis of beorht "bright; splendid; clear-sounding; beautiful; divine," from Proto-Germanic *berhtaz "bright" (source also of Old Saxon berht, Old Norse bjartr, Old High German beraht, Gothic bairhts "bright"), from PIE root *bhereg- "to shine; bright, white." The meaning "quick-witted, having brilliant mental qualities" is from 1741.

The Germanic word was commonly used to form given names, and figures in the etymology of Robert, Albert, Bertha, Egbert, Gilbert, Herbert, Hubert, Lambert. In modern German it survives in names only (Albrecht, Ruprecht) and has been otherwise lost.