"PIE" . "103898" . _:Bc7adae87946bb1000bffefada1c0c558 . "*bʰrus‑to‑" . "Etymology for: frustum (la0643)" . "*bʰrus‑to‑" . . _:Bc7adae87946bb1000bffefada1c0c558 "*bʰrus‑to‑" .