obacerbo
From LSJ
οὐ μακαριεῖς τὸν γέροντα, καθ' ὅσον γηράσκων τελευτᾷ, ἀλλ' εἰ τοῖς ἀγαθοῖς συμπεπλήρωται· ἕνεκα γὰρ χρόνου πάντες ἐσμὲν ἄωροι → do not count happy the old man who dies in old age, unless he is full of goods; in fact we are all unripe in regards to time
Latin > French (Gaffiot 2016)
ŏbăcerbō, āre, tr., aigrir, exaspérer : P. Fest. 187.