_:B32340964d93bdab13d121bf4945eed10 "*perkʷ‑o/u‑" . "PIE" . "121145" . _:B32340964d93bdab13d121bf4945eed10 . "*perkʷ‑o/u‑" . "Etymology for: quercus (la1353)" . "*perkʷ‑o/u‑" . .