From 茹(ゆ)で (yude, “連(れん)用(よう)形(けい) (ren'yōkei, “stem or continuative form”) of the verb 茹(ゆ)でる (yuderu).”) + 斑(むら) (mura).
ゆでむら or ゆでムラ • (yudemura)