μεταχειρίζειν

From LSJ

ὕδωρ δὲ πίνων οὐδὲν ἂν τέκοι σοφόν → by drinking water you would never create anything great

Source

Greek > English (Woodhouse Verbs Reversed)

(see also μεταχειρίζω): treat, take in hand

Lexicon Thucydideum

tractare, to handle, discuss, 1.13.2, 4.18.4, 6.12.2, 6.16.6, 7.87.1.