Install kakasi-dic by entering the following commands in the terminal:
sudo apt update sudo apt install kakasi-dic
Description:
KAKASI dictionary files
This package provides KAKASI dictionary files. You have to install this package if you use KAKASI. . KAKASI is the language processing filter to convert Kanji characters to Hiragana, Katakana or Romaji(1) and may be helpful to read Japanese documents. . (1) "Romaji" is alphabetical description of Japanese pronunciation.
Homepage: http://kakasi.namazu.org
Version: 2.3.6-1build1
Section: universe/text