techna

ae, f.
I. a wile, trick, piece of craft or subtilty, artifice, cunning device (ante-class.): tum igitur ego deruncinatus, deartuatus sum miser Hujus scelesti technis, Plaut. Capt. 3, 4, 109; id. Bacch. 3, 2, 8; Ter. Heaut. 3, 1, 62; id. Eun. 4, 4, 51.
Lewis & Short
A Latin Dictionary, 1879
An open-access project