_:Bd4bc70bc21307d60b42692109420b98b "*seh₁‑ro‑" . "PIE" . "124555" . _:Bd4bc70bc21307d60b42692109420b98b . "Etymology for: sērus (la1501)" . "*seh₁‑ro‑" . "*seh₁‑ro‑" . .