"PIE" . "130531" . _:B734d79a7X3A195d1e795f5X3AX2D3bf . "Etymology for: umbilīcus (la1724)" . "*h₃nbʰ‑(e/o)l‑" . "*h₃nbʰ‑(e/o)l‑" . . _:B734d79a7X3A195d1e795f5X3AX2D3bf "*h₃nbʰ‑(e/o)l‑" .