imbricus
From LSJ
Latin > English (Lewis & Short)
imbrĭcus: a, um, adj. imber,
I rainy (ante- and post-class.): Auster, rain-bringing, Plaut. Merc. 5, 2, 35: solstitium (opp. hiems serena), Macr. S. 5, 20, 14: imbrica tempestate pluviam videtur significare, Paul. ex Fest. p. 109 Müll.
Latin > French (Gaffiot 2016)
imbrĭcus, a, um (imber), pluvieux, amenant la pluie : Pl. Merc. 877 ; Macr. Sat. 5, 20, 14.