inconsultum
From LSJ
νοεῖν γάρ ἐστι κρεῖττον καὶ σιγὴν ἔχειν → it's better, you see, to understand and yet say nothing (Menander)
Latin > French (Gaffiot 2016)
incōnsultum, ī, n., c. inconsultus 2 : Sil. 8, 217.
Latin > Chinese
inconsultum, i. n. :: 冒失