praepropere
From LSJ
νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
Latin > English (Lewis & Short)
praeprŏpĕrē: adv., v. praeproperus.
Latin > French (Gaffiot 2016)
præprŏpĕrē,¹⁵ en trop grande hâte, très précipitamment : Liv. 37, 23, 10 ; Quint. 12, 6, 2.