*sndehu unattested未見語料√ sdehusdehu + ⟨n⟩patient focus受事焦點preterite過去式保管過的；已把…保管what was keeped safe; keeped safe itroot詞根√ sdehuAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式smdehu——*ssdehuPRET過去式*smndehu—*sndehu*snsdehuFUT未來式*mpsdehuDIST遠*msdehuIMMED近———IMP命令式sdehu———