*stmani unattested未見語料√ stamastama + -aniinstrumental focus工具焦點imperative命令式用它駐足！；替人駐足！stop and stand with it!; stop and stand it for someone!root詞根√ stamaAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式*smtama—stmaun*sstamaPRET過去式*smntama*sntmaan*sntama*snstamaFUT未來式*mpstamaDIST遠*mstamaIMMED近*sstmaan*sstmaun—IMP命令式stama—*stmai*stmani