_:B11040051365806c27ac2a1fffde50a47 "*seh₁‑ro‑" . "PIE" . "124555" . _:B11040051365806c27ac2a1fffde50a47 . "Etymology for: sērus (la1501)" . "*seh₁‑ro‑" . "*seh₁‑ro‑" . .