_:B7f00b1609d5e8eff63ae54506ff7ece8 . _:B7f00b1609d5e8eff63ae54506ff7ece8 "*opes‑" . "PIt" . "115170" . _:B7f00b1609d5e8eff63ae54506ff7ece8 . "Etymology for: opus (la1157)" . "*opes‑ [n.]" . "*opes‑" . .