Where does “だって” come from?

だって (Japanese) comes from Japanese だ, from Japanese である, from Japanese で, from Japanese ぜ, from Japanese ぞえ, from Japanese え, from Middle Chinese 衣.

だって (Japanese): binding particle

Definitions

  1. binding particle

Ancestry of “だって”, step by step

だって traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1JapaneseFollowing parts of speech that do not inflect by...
2JapaneseであるTo be: the copula, with the same function as だ and its polite form です
3Japaneseat; with, by, using; indicating the following...
4Japanesesentence-ending particle signifying emphasis,...
5Japaneseぞえ­ sentence-ending particle signifying emphasis, used to lightly press one's point, with affectionate overtones
6JapaneseAlternative form of い
7Middle Chinese

via Japanese とて

StepLanguageWordMeaning
1Japaneseとてeven; even if, even though; however, whatever,...
Every word from Middle Chinese Every word from Japanese Every word from Japanese ぞえ