"PIE" . "129468" . _:B5ad0884d042807f2451f56db11a7202c . "*h₁uh₂‑ko‑" . "Etymology for: vacō (la1756)" . "*h₁uh₂‑ko‑" . . _:B5ad0884d042807f2451f56db11a7202c "*h₁uh₂‑ko‑" .