ἐπιχειρέω
Etym. χείρ
I. "to put one's hand on" a thing, c. dat., Od., Ar.
2. "to put one's hand to" a work, "set to work at, attempt", c. dat., Hdt., attic:—rarely c. acc., Theogn., Plat.:—Pass. "to be attempted", Thuc.
3. c. inf. "to endeavour or attempt to" do, Hdt., attic
II. "to make an attempt on, to set upon, attack", τινί Hdt., attic; πρός τινα Thuc.;—absol., Hdt., etc.