Install gjiten by entering the following commands in the terminal:
sudo apt update sudo apt install gjiten
Description:
Japanese dictionary for GNOME
Gjiten is a Japanese dictionary for GNOME with advanced word and kanji lookup features. Requires dictionary files (edict, kanjidic) to function. See http://gjiten.sourceforge.net for more dictionary files and updates.
Version: 2.6-3ubuntu1
Section: universe/x11