Where does “行間” come from?

行間 (Japanese) comes from Japanese 間, from Middle Chinese 間.

行間 (Japanese): a line gap, the white space between the left/bottom of one line and the right/top of the next line, corresponding to the original "leading" in letterpress printing

Definitions

  1. a line gap, the white space between the left/bottom of one line and the right/top of the next line, corresponding to the original "leading" in letterpress printing

Ancestry of “行間”, step by step

行間 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japaneseinterval; "suffixes some expressions of time to...
2Middle Chinese

via Japanese

StepLanguageWordMeaning
1Japanesea line of text; a row of a matrix; Abbreviation...
2Middle Chinese
Every word from Middle Chinese Every word from Japanese