"PIE" . "129468" . _:B850521c0ce527f4405a8d8acf18102e4 . "*h₁uh₂‑ko‑" . "Etymology for: vacō (la1756)" . "*h₁uh₂‑ko‑" . . _:B850521c0ce527f4405a8d8acf18102e4 "*h₁uh₂‑ko‑" .