*skduku unattested未見語料√ kdukukduku + s-instrumental focus工具焦點用來低下頭的；用…低下頭to lower the head with; the thing used for lowerring the headroot詞根√ kdukuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式mduku——*skdukuPRET過去式*kmnduku—*knduku*snkdukuFUT未來式*mpkdukuDIST遠*mkdukuIMMED近———IMP命令式kduku———