Abbott-Smith Manual Greek Lexicon
κατ-ευθύνω (G2720)
3 κατ-ευθύνω , [in LXX for כּוּן ni., hi., etc.;] to make or keep straight , direct , guide : metaph., τ. ὁδόν , I Th 3:11 ; τ. πόδας εἰς ὁδὸν εἰρήνης , Lk 1:79 ; τ. καρδίας εἰς τ. ἀγάπην , II Th 3:5 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain