*mthmuku unattested未見語料√ thmukuthmuku + m-agent focus主事焦點future未來式immediate近即將低下頭（近期）about to bow the head; will bow the head (soon)root詞根√ thmukuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式thmuku——*sthmukuPRET過去式*tmnhmuku—*tnhmuku*snthmukuFUT未來式*mpthmukuDIST遠*mthmukuIMMED近———IMP命令式thmuku———