_:B734d79a7X3A195d1e795f5X3AX2D604f "*solk‑o‑" . "PIE" . "126678" . _:B734d79a7X3A195d1e795f5X3AX2D604f . "Etymology for: sulcus (la1612)" . "*solk‑o‑" . "*solk‑o‑" . .