Where does “だす” come from?

だす (Japanese) comes from Japanese で, from Japanese ぜ, from Japanese ぞえ, from Japanese え, from Middle Chinese 衣.

Ancestry of “だす”, step by step

だす traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseat; with, by, using; indicating the following...
2Japanesesentence-ending particle signifying emphasis,...
3Japaneseぞえ­ sentence-ending particle signifying emphasis, used to lightly press one's point, with affectionate overtones
4JapaneseAlternative form of い
5Middle Chinese

via Japanese たつ

StepLanguageWordMeaning
1Japaneseたつ立つ to stand; 建つ to build; 発つ to leave
Every word from Middle Chinese Every word from Japanese Every word from Japanese ぞえ