*sskela unattested未見語料√ skelaskela + s-instrumental focus工具焦點用來趕上的；用…趕上to catch up with with; the thing used for catching up withroot詞根√ skelaAF主事焦點LF處所焦點PF受事焦點IF工具焦點PRES現在式—sklaansnklaansklaun*sskelaPRET過去式*smnkela—*snkela*snskelaFUT未來式*mpskelaDIST遠*mskelaIMMED近*ssklaan*ssklaun—IMP命令式skela—sklai*sklani