_:B9a2cc6e8864038de3cc2856b0a433fee "pet‑es‑" . _:B9a2cc6e8864038de3cc2856b0a433fee "*pet‑os" . "PIE" . . . "120145" . _:B9a2cc6e8864038de3cc2856b0a433fee . "*pet‑os;‑es‑ [n.]" . "Etymology for: prōtervus (la1321)" . "*pet‑os;‑es‑ [n.]" . .