_:B734d79a7X3A195d1e795f5X3AX2D3da "*arþwo‑" . "PIt" . "89907" . _:B734d79a7X3A195d1e795f5X3AX2D3da . "Etymology for: arduus (la0104)" . "*arþwo‑" . "*arþwo‑" . .