inscrutable - Dictionary definition and meaning for word inscrutable
you cant SCRU(screw) a TABLE b'coz you can't have a penetration... may b b'coz it doesn't have a hole(a place to peek into)
IN(not)+SCRUTINY(critical observation or examination)....a thing that cannot be examined or understood is inscrutable.....
in[not]+screw+table...a table which cannot be screwd is impenetrable and we dont readily understand why cant we screw it which is mysterious
That cannot be scrutinized
It was a mystery what was behind the wall, so Ebenezer SCROOGE INserted his drill INto the wall and SCREWED IN a hole so he could peep INto it.
scrutiny is to examine closely. Inscrutable whereas means something that can not be examined closely as it is not understood in the first place.
Read it as Inscru Table... Have you heard of this type of table anywhere ? ? .. Hence it is " impossible to understand / interpret "