The use of sta in the first half this exclamation instead of the more common sha may be the result of a reinterpretation of the word as an imperative form of the verb ster2.
(
s.xiv1/4; MS: s.xiv2
) Qe est a dire sa how? Sa how est tant a dire come sta heo, mes nous dyoms sha hou pur ceo q’il est plus court a dire sha hou que sta heo
119-21