Etymology
From Middle English bergh, from Old English beorg (“mountain, hill, mound, barrow, burial place”), from Proto-West Germanic *berg, from Proto-Germanic *bergaz (“hill, mountain”), from Proto-Indo-European *bʰérǵʰos (“hill”), from Proto-Indo-European *bʰerǵʰ- (“to rise up, ascend; to be elevated, up high”). Doublet of berg and barrow; see there for more.
Cognates
Cognate with Scots burrow (“mound, tumulus, barrow”), North Frisian Bārig, beerch, beeri, beerj, berag, berig, berri, bärj (“mountain”), Saterland Frisian Bierich, Bíerig, Bäirch (“mountain”), West Frisian berch (“mountain”), Cimbrian pèrge (“mountain”), Dutch berg (“mountain”), German Berg (“mountain”), German Low German Barg (“mountain”), Limburgish berg, Bärrech (“hill, mountain”), Luxembourgish Bierg (“mountain”), Mòcheno pèrg (