_:Bab4f08252f033506e864c1924a69d046 "*solk‑o‑" . "PIE" . "126678" . _:Bab4f08252f033506e864c1924a69d046 . "Etymology for: sulcus (la1612)" . "*solk‑o‑" . "*solk‑o‑" . .