adopinor
From LSJ
Ῥίζα γὰρ πάντων τῶν κακῶν ἐστιν ἡ φιλαργυρία → Root of all the evils is the love of money (Radix omnium malorum est cupiditas)
Latin > English (Lewis & Short)
ăd-ŏpīnor: ārei, v. dep.,
I to think, suppose, or conjecture further ( = opinando adicio): adopinamur de signis maxima parvis, Lucr. 4, 816.
Latin > French (Gaffiot 2016)
ădŏpīnor,¹⁶ ārī, tr., conjecturer ; Lucr. 4, 816.