bortzEtymologyFrom the German surname of Low German origin, from a dialectal word meaning "buttocks," ultimately from the root of Bürzel (“rump”).bortz means A surname. Lexicurio rates it Sui generis — a strength score of 89 out of 100.nameA surname.nounDiamond of inferior quality, commonly used for drill tips; abrasive diamond powder; bort.“1906 September, X-Rays and a Diamond Thief, Popular Mechanics, page 932, It is also noticeable that the black diamond, No. 20, a dull and lusterless substance, is as transparent to the X-rays as the brilliants, while the diamond bortz, No. 6, is much less transparent than either, though more so than the imitation, No 19.”