Dojo is a 4 letter English word. It's valid Scrabble word worth 12 points. It's valid Words with friends word worth 14 points.
You can make 16 anagrams from letters in dojo (djoo).
1940-45; Japanese dōjō Buddhist seminary, drill hall Sanskrit bodhi-maṇḍa literally, seat of wisdom (equivalent to Chinese dàochǎng)