bratt

From Old West Norse brattr, of uncertain origin, but possibly ultimately from the Proto-Indo-European root *bʰren- (“project”). Related to Old English brant (“steep”) and Latvian bruôds (“roof ridge”). Cognates include Faroese and Icelandic brattur, Danish brat, Swedish brant, and Old English brant, bront (English brant, brent, Scots brent).