fijamente
From LSJ
ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
ἀνεπισφαλῶς, ἀτρεμεί, ἀφεύκτως, ἀσφαλῶς, ἀσφαλέως, ἀραρότως, ἀτρέμα, ἀναπολύτως, ἀτενῶς, ἀτενέως