_:Bda440129a8a7ea283df4f913dcad6280 "*perkʷ‑o/u‑" . "PIE" . "121145" . _:Bda440129a8a7ea283df4f913dcad6280 . "*perkʷ‑o/u‑" . "Etymology for: quercus (la1353)" . "*perkʷ‑o/u‑" . .