也称为 *ker-,原始印欧语根,意为“切割”。
它构成或部分构成以下单词: bias; carnage; carnal; carnation; carnival; carnivorous; carrion; cenacle; charcuterie; charnel; corium; cortex; crone; cuirass; currier; curt; decorticate; excoriate; incarnadine; incarnate; incarnation; kirtle; scabbard; scar(n.2)“悬崖或山的裸露石脸”; scaramouche; scarf(n.2)“连接接头”; scarp; score; scrabble; scrap(n.1)“小块”; scrape; screen; screw; scrimmage; scrofula; scrub(n.1)“低矮的树”; scurf; shard; share(n.1)“部分”; share(n.2)“犁铧”; sharp; shear; shears; sheer(adj.)“绝对的,彻底的”; shirt; shore(n.)“大水域的陆地边界”; short; shrub; skerry; skirmish; skirt。
它是假设的源头/其存在的证据由以下提供:梵语 krnati “伤害,创伤,杀死”, krntati “切割”; 赫梯语 karsh- “切断”; 希腊语 keirein “切割,修剪”; 拉丁语 curtus “短”, caro(属格 carnis)“肉”(最初是“一块肉”); 立陶宛语 skiriu, skirti “分离”; 古英语 sceran, scieran “劈开,砍,用锋利的工具切割”; 古爱尔兰语 scaraim “我分离”; 威尔士语 ysgar “分离”, ysgyr “碎片”。