"PIE" . "87191" . _:B2c491fefd4828931819064d76c40f8c9 . "*h₂oḱ‑ri‑;*h₂eḱ‑ro‑" . "Etymology for: acerbus (la0011)" . "*h₂oḱ‑ri‑" . . _:B2c491fefd4828931819064d76c40f8c9 "*h₂oḱ‑ri‑" .