*snsdayak unattested未見語料√ sdayaksdayak + sn-instrumental focus工具焦點preterite過去式曾用來侵佔的what was used to encroach onroot詞根√ sdayakAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式smdayak——*ssdayakPRET過去式sndayak——*snsdayakFUT未來式*mpsdayakDIST遠*msdayakIMMED近———IMP命令式sdayak———