correct, save, assist
匡 centers on setting something right: correcting errors, saving from trouble, or assisting to restore proper order.
匡 combines 匚 (a container or enclosure) with 王 (originally representing a person or object inside). The character likely expressed the idea of correcting or straightening something within a frame, but the exact historical development is uncertain.
Picture a crooked object inside a box (匚). The king (王) steps in to straighten it out, correcting the mistake and saving the situation.
For キョウ, imagine a king (王) inside a box (匚) shouting 'KYOU!' as he corrects the disorder: KYOU -> キョウ.