interduatim

Latin > English (Lewis & Short)

interdŭātim: adv., an old form for interdum,
I sometimes, now and then, acc. to Paul. ex Fest. p. 111 Müll. (but the true reading is interdum, Plaut. Truc. 4, 4, 29).

Latin > French (Gaffiot 2016)

interdŭātim, [arch.] = interdum : P. Fest. 111, 1.