"PIE" . "103898" . _:B152c7ff45aff76fcdf4e8d3f11823fcb . "*bʰrus‑to‑" . "Etymology for: frustum (la0643)" . "*bʰrus‑to‑" . . _:B152c7ff45aff76fcdf4e8d3f11823fcb "*bʰrus‑to‑" .