"PIE" . "124491" . _:B49d25e92ef2d74897a9a359498ba3164 . "Etymology for: sērius (la1495)" . "*seh₁‑ro‑" . "*seh₁‑ro‑" . . _:B49d25e92ef2d74897a9a359498ba3164 "*seh₁‑ro‑" .