"PIE" . "130531" . _:Ba867ded2f1f0dafb3e117a545e19e688 . "Etymology for: umbilīcus (la1724)" . "*h₃nbʰ‑(e/o)l‑" . "*h₃nbʰ‑(e/o)l‑" . . _:Ba867ded2f1f0dafb3e117a545e19e688 "*h₃nbʰ‑(e/o)l‑" .