"PIt" . "87191" . _:B051efa5600c7cbf81873fb1fbbb7d118 . "Etymology for: acerbus (la0011)" . "*akri‑þo‑" . "*akri‑þo‑" . . _:B051efa5600c7cbf81873fb1fbbb7d118 "*akro‑þo‑" . _:B051efa5600c7cbf81873fb1fbbb7d118 "*akri‑þo‑" .