Wikipedia mentions several English words that have been reborrowed from Japanese:
- Anime comes from animation and has been reborrowed into English to mean Japanese-style animation.
- Puroresu comes from professional wrestling and is a term for Japanese-style professional wrestling.
- Kosupure comes from cosplay (an abbreviation of costume play) and refers to the practice of dressing in costumes of anime and video game characters.
Do you know other examples of word reborrowings from Japanese or other languages back into English, or vice versa?