"PIE" . "87191" . _:BX2D3ad15a0X3A19ab54fe99dX3A648f . "*h₂oḱ‑ri‑;*h₂eḱ‑ro‑" . "Etymology for: acerbus (la0011)" . "*h₂oḱ‑ri‑" . . _:BX2D3ad15a0X3A19ab54fe99dX3A648f "*h₂oḱ‑ri‑" .