καθ-ήκω
[in LXX: impers., Lev.5:16, Eze.21:27 (32), al. (מִשְׁפָּט); τὰ κ., Exo.5:13, al. (דָבַר), etc. ;]
__1. to come down, come to.
__2. to be fit, proper: impers., with accusative and inf., Act.22:22 (on the tense, see Bl., § 63, 4); τὰ μὴ καθήκοντα, Rom.1:28.†
(AS)