Where does “bier” come from?

bier (Middle English) comes from Old English byre, from Proto-Germanic buriz, from Proto-Indo-European bʰēr- — shiny, light brown.

Ancestry of “bier”, step by step

StepLanguageWordMeaning
1Old Englishbyrechild, son, descendant; young man, youth; mound;...
2Proto-Germanicburizmale offspring; son; elevation; hill; favourable...
3Proto-Indo-Europeanbʰēr-shiny, light brown
Every word from Proto-Indo-European bʰēr- →Every word from Proto-Germanic buriz →Every word from Old English byre →