This MeCab dictionary is based on cedict.

https://www.mdbg.net/chinese/dictionary?page=cedict

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License
https://creativecommons.org/licenses/by-sa/4.0/

It more or less means that you are allowed to use this data for both non-commercial and commercial purposes provided that you: mention where you got the data from (attribution) and that in case you improve / add to the data you will share these changes under the same license (share alike).
