Where does “クソカキコ” come from?

クソカキコ (Japanese) comes from Japanese 糞, from Middle Chinese 糞.

クソカキコ (Japanese): shitpost

Definitions

  1. shitpost

Ancestry of “クソカキコ”, step by step

クソカキコ traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesefeces, excrement; shit, crap, garbage, trash;...
2Middle Chinese

via Japanese カキコ

StepLanguageWordMeaning
1Japaneseカキコpost; to post
2Japanese書き込みwriting; entry; post
Every word from Middle Chinese Every word from Japanese