Abbott-Smith Manual Greek Lexicon
καθά (G2505)
5 καθά adv. (for καθ’ ἅ ), [in LXX: Ge 7:9 19:8 , al. ( כַּאֲשֶׁר , כְּ ), Is 58:11 , Wi 3:10 , al. ;] just as , according as : Mt 27:10 (LXX) , Lk 1:2 , D (cf. Bl., § 78, 1; Phil. Gosp. , 8 f.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain