What is Catach [ass] [covering]?
1.
Castach is originated form an army term or more like it an initials of an army term called "Lechsot et Hatachat" which means covering your ass.
For example in many cases especially in voluntary armies a sergeant / commander doing things in order to say "I followed Procedure" that act is called "Castach" which is as mentioned "Covering Ass".
