verb/pe.ʁɔ.ʁe/
to hold forth, perorate
“M. Homais sortit de la pharmacie, et la mère Lefrançois, au milieu de la foule, avait l'air de pérorer.”
From Latin perōrāre (“to speak at length, harangue; to conclude a speech”), from per- + ōrō (“to speak as an orator”).