*sskraya unattested未見語料√ skrayaskraya + s-instrumental focus工具焦點用來？的；用…？to do it with; the thing used for doing itroot詞根√ skrayaAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式*smkraya——*sskrayaPRET過去式*smnkraya—snkraya*snskrayaFUT未來式*mpskrayaDIST遠*mskrayaIMMED近———derived stems衍生詞幹AF主事焦點LF處所焦點PF受事焦點IF工具焦點CAUS使動pskraya———