"PIE" . "130531" . _:Ba55aca3b9245de1cf7ff4de72b083b2b . "Etymology for: umbilīcus (la1724)" . "*h₃nbʰ‑(e/o)l‑" . "*h₃nbʰ‑(e/o)l‑" . . _:Ba55aca3b9245de1cf7ff4de72b083b2b "*h₃nbʰ‑(e/o)l‑" .