Where does “環境依存文字” come from?

環境依存文字 (Japanese) comes from Japanese 文字, from Middle Chinese 文字.

環境依存文字 (Japanese): character whose appearance may depend on a user's environment, or a character which may be absent from a user's environment, i.e. character set incompatibility

Definitions

  1. character whose appearance may depend on a user's environment, or a character which may be absent from a user's environment, i.e. character set incompatibility

Ancestry of “環境依存文字”, step by step

環境依存文字 traces back through 3 separate lines of ancestry.

via Japanese 文字

StepLanguageWordMeaning
1Japanese文字a letter, a character; script, writing system; a...
2Middle Chinese文字

via Japanese 依存

StepLanguageWordMeaning
1Japanese依存dependency; to depend on

via Japanese 環境

StepLanguageWordMeaning
1Japanese環境environment, surroundings; the natural...
Every word from Middle Chinese 文字Every word from Japanese 文字