Install gwaei by entering the following commands in the terminal:
sudo apt update sudo apt install gwaei
Description:
Japanese-English Dictionary for GNOME
gWaei is an easy to use and yet powerful full-featured dictionary program for Japanese to English translation. It organizes results by relevance, supports regex searches, tabs, spell checking, kanji handwriting recognition and an accompanying console version for searches through the terminal.
Homepage: http://www.zacharydovel.com/software/gwaei
Version: 3.6.2-3build1
Section: universe/gnome