Etui is a 4 letter English word. It's valid Scrabble word worth 4 points. It's valid Words with friends word worth 5 points.
You can make 25 anagrams from letters in etui (eitu).
1605-15; French étui, Old French estui holder, noun derivative of estuier to keep Vulgar Latin *studiāre to treat with care
He stepped to his trunk, unlocked it, and took from it an etui containing a number of fans.