booru

The story

1. English · derived fromboard
2. Japanese · borrowed fromボール“board”
3. English todaybooru

Reborrowed from Japanese ボール (bōru, “board”), itself from English board. Alternatively, an abbreviation of the term Danbooru (from Japanese 段ボール, danbōru, “corrugated cardboard”), the name of a particular imageboard website that uses an image of a brown cardboard box as its logo.