_:B79fb100e838add3a58da510246db3fa8 "*pro‑fr‑o‑" . "PIt" . "119558" . _:B79fb100e838add3a58da510246db3fa8 . "Etymology for: probrum (la1311)" . "*pro‑fr‑o‑" . "*pro‑fr‑o‑" . .