Where does “連数字” come from?

連数字 (Japanese) comes from Japanese 連, from Middle Chinese 連.

連数字 (Japanese): the ban on separating multiple successive digits during line breaking

Definitions

  1. the ban on separating multiple successive digits during line breaking

Ancestry of “連数字”, step by step

連数字 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesetake along, lead, join, connect; linking,...
2Middle Chinese

via Japanese 数字

StepLanguageWordMeaning
1Japanese数字a digit; a numeral; a figure, a thing expressed...
Every word from Middle Chinese Every word from Japanese