"PIE" . "124491" . _:B27c3299ba9f690ee89c251a701d3090e . "Etymology for: sērius (la1495)" . "*seh₁‑ro‑" . "*seh₁‑ro‑" . . _:B27c3299ba9f690ee89c251a701d3090e "*seh₁‑ro‑" .