"PIE" . "NaN"^^ . _:B6ebab3990c9005ed4aa5bdefee9c1ca7 . "Etymology for: po‑ (la1274)" . "*h₂p‑o" . "*h₂p‑o" . . _:B6ebab3990c9005ed4aa5bdefee9c1ca7 "*h₂p‑o" .