"PIE" . "130531" . _:B4aa34f0146c9a3b008a9c1cd02cd0326 . "Etymology for: umbilīcus (la1724)" . "*h₃nbʰ‑(e/o)l‑" . "*h₃nbʰ‑(e/o)l‑" . . _:B4aa34f0146c9a3b008a9c1cd02cd0326 "*h₃nbʰ‑(e/o)l‑" .