But but.. that's the problem.. I am lvl 48.. I can't put a lvl 47 Weapon enhancement to that lvl 43 sword, But I still can equip it
You can not enhance Shadow Doomreaver and Shadoworn with any level below 50, AE made it that way to fix a Awe Enhances bug that made the weapon to turn into a level 100 one and do insane amount of damage.
I think thats the case for you.