fortassis
From LSJ
Latin > English
fortassis ADV :: perhaps, possibly; it may be
Latin > English (Lewis & Short)
fortassis: adv., v. fortasse
I init.
Latin > French (Gaffiot 2016)
fortassis, adv., peut-être : Cic. Sest. 121 ; Clu. 144 ; 201 ; Pl. Bacch. 671 ; Hor. S. 1, 4, 131 ; 2, 7, 40 ; Plin. 2, 82 ; 27, 102.
Latin > German (Georges)
fortāssis, Adv. (aus forte an si vis), vielleicht, Plaut., Sen. rhet. u.a.