_:B4fb2c885544bd321eccb3d0068f6dca7 "*dui‑bʰh₂u‑o‑" . "PIE" . "100177" . _:B4fb2c885544bd321eccb3d0068f6dca7 . "*dui‑bʰh₂u‑o‑" . "Etymology for: dubius (la0476)" . "*dui‑bʰh₂u‑o‑" . .