"PIt" . "87191" . _:BX2D3ad15a0X3A19ab54fe99dX3A5d0b . "Etymology for: acerbus (la0011)" . "*akri‑þo‑" . "*akri‑þo‑" . . _:BX2D3ad15a0X3A19ab54fe99dX3A5d0b "*akro‑þo‑" . _:BX2D3ad15a0X3A19ab54fe99dX3A5d0b "*akri‑þo‑" .