καταδουλοῦν

From LSJ

ἀσκέειν, περὶ τὰ νουσήματα, δύο, ὠφελέειν, ἢ μὴ βλάπτειν → strive, with regard to diseases, for two things — to do good, or to do no harm | as to diseases, make a habit of two things — to help, or at least, to do no harm

Source

Greek > English (Woodhouse Verbs Reversed)

(see also: καταδουλῶ, καταδουλόω) enslave

Lexicon Thucydideum

in servitutem redigere, to reduce to slavery, 3.70.3,
MED. idem, the same 3.63.3.