τὰ ἀφανῆ τοῖς φανεροῖς τεκμαίρου → analyze the unknown based on the known
tĭtŭbanter: adv., v. titubo.
tĭtŭbantĕr¹⁶ (titubo), en balançant, en hésitant : Cic. Cæl. 15 ; Amm. 24, 4, 28.