_:B10db891a7b25f7c95c52bcf1f269784f "*ser‑e/o‑" . "PIE" . "?" . _:B10db891a7b25f7c95c52bcf1f269784f . "*ser‑e/o‑" . "Etymology for: serō (la1497)" . "*ser‑e/o‑" . .