_:B258f7628f48033065921b40c8b548286 "*sers‑h₂‑" . "PIE" . "124520" . _:B258f7628f48033065921b40c8b548286 . "*sers‑h₂‑" . "Etymology for: serra (la1499)" . "*sers‑h₂‑" . .