_:Bfbf48f84457e898593f10edc9c687aec "*h₁elḱ‑os" . "PIE" . "130486" . _:Bfbf48f84457e898593f10edc9c687aec . "*h₁elḱ‑os" . "Etymology for: ulcus (la1719)" . "*h₁elḱ‑os" . .