1.ionic for εὐθύνω, to make straight, straighten, ἐπὶ στάθμην ἴθυνεν by the rule, Od.:—Pass. to run evenly, of horses yoked abreast, Il.
2.to guide in a straight line, ἵππους ἰθύνομεν (epic for -ωμεν) let us drive them straight, id=Il.; νῆα ἰθύνει [the pilot] keeps it straight, id=Il.; βέλος ἴθυνεν she sped it straight, id=Il.:—Mid. to guide or steer for oneself, ἰθύνετο ὀϊστόν aimed his arrow straight, Od.; πηδαλίωι ἰθύνετο (sc. νῆα) id=Od.; c. gen., ἀλλήλων ἰθυνομένων δοῦρα as they drove their spears straight at each other, Il.:—Pass., of a boat, to be guided, steered, Hdt.