יָשַׁר
From LSJ
τους φίλους λόγων τέχναιν επαίδευσας → Using 2 artifices, you educated (taught) those who love rhetoric.
English (Strong)
a primitive root; to be straight or even; figuratively, to be (causatively, to make) right, pleasant, prosperous: direct, fit, seem good (meet), + please (will), be (esteem, go) right (on), bring (look, make, take the) straight (way), be upright(-ly).