_:B1953549a2d1eaa75d9ec1d04fd03153f "*h₁elḱ‑os" . "PIE" . "130486" . _:B1953549a2d1eaa75d9ec1d04fd03153f . "*h₁elḱ‑os" . "Etymology for: ulcus (la1719)" . "*h₁elḱ‑os" . .