Disfondowes: S(è)mwas, S(u)mwas, S(i)mwès, S(û)mwas. Vîs scrijhas: <span lang=wa-vi>Sesomiris</span> (644), <span lang=wa-vi>Sesmarus</span> (950), <span lang=wa-vi>Sesmoys</span> (1104), <span lang=wa-vi>Semoir</span> (1244).